Entity Central Index Key
Cover [Abstract]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Current Reporting Status
Entity Current Reporting Status
Entity Voluntary Filers
Entity Voluntary Filers
Entity Interactive Data Current
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Shell Company
Entity Shell Company
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Public Float
Entity Public Float
Title of 12(b) Security
Security12b Title
Security Exchange Name
Security Exchange Name
Entity File Number
Entity File Number
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
Fair value of outstanding redeemable nonconvertible preferred stock.
Statement Of Financial Position [Abstract]
Assets
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Short-term marketable securities
Available For Sale Securities Debt Securities Current
Accounts receivable
Accounts Receivable Net Current
Prepaid expenses and other current assets
Prepaid Expense And Other Assets Current
Total current assets
Assets Current
Long-term marketable securities
Available For Sale Securities Debt Securities Noncurrent
Property and equipment, net
Property Plant And Equipment Net
Deferred tax assets
Deferred Tax Assets Liabilities Net Noncurrent
Restricted cash
Restricted Cash And Cash Equivalents Noncurrent
Other long-term assets
Other Assets Noncurrent
Total assets
Assets
Liabilities and Stockholders' Equity
Liabilities And Stockholders Equity [Abstract]
Current liabilities:
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Accrued expenses and other current liabilities
Accrued Liabilities Current
Income taxes payable
Accrued Income Taxes Current
Total current liabilities
Liabilities Current
Series 1 nonconvertible preferred stock
Non Convertible Preferred Stock Liabilities
Other long-term liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 12)
Commitments And Contingencies
Stockholders' equity:
Stockholders Equity [Abstract]
Common stock; $0.01 par value per share, 100,000 shares authorized; 19,703 and 19,395 shares issued and outstanding at September 30, 2019 and September 30, 2018, respectively
Common Stock Value
Additional paid-in capital
Additional Paid In Capital Common Stock
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income Loss Net Of Tax
Retained earnings
Retained Earnings Accumulated Deficit
Total stockholders' equity
Stockholders Equity
Total liabilities and stockholders' equity
Liabilities And Stockholders Equity
Common stock, par value
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Income Statement [Abstract]
Statement [Table]
Statement [Table]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
Royalties [Member]
Royalty [Member]
Milestone.
Milestone [Member]
Milestone [Member]
Statement [Line Items]
Statement [Line Items]
Revenue
Revenues [Abstract]
Total revenue
Revenue From Contract With Customer Excluding Assessed Tax
Operating expenses:
Operating Costs And Expenses [Abstract]
Research and development
Research And Development Expense
General and administrative
General And Administrative Expense
Total operating expenses
Costs And Expenses
Income from operations
Operating Income Loss
Other income (expense), net:
Nonoperating Income Expense [Abstract]
Interest income (expense), net
Interest Income Expense Nonoperating Net
Change in fair value of warrant liability and Series 1 nonconvertible preferred stock
Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net
Total other income (expense), net
Nonoperating Income Expense
Income before income taxes
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
Income tax benefit (expense)
Income Tax Expense Benefit
Net income
Net Income Loss
Net income per share:
Earnings Per Share [Abstract]
Basic
Earnings Per Share Basic
Diluted
Earnings Per Share Diluted
Weighted average shares outstanding:
Weighted Average Number Of Shares Outstanding Diluted Disclosure Items [Abstract]
Basic
Weighted Average Number Of Shares Outstanding Basic
Diluted
Weighted Average Number Of Diluted Shares Outstanding
Statement Of Income And Comprehensive Income [Abstract]
Net income
Other comprehensive income (loss):
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Net unrealized gain (loss) on marketable securities, net of tax expense (benefit) of $173, ($109), and ($78)
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
Total other comprehensive income (loss), net of tax
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
Comprehensive income
Comprehensive Income Net Of Tax
Net unrealized gain (loss) on marketable securities, tax expense (benefit)
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
Stock issued during period shares stock options and warrants exercised.
Stock issued during period value stock options and warrants exercised.
Statement Of Stockholders Equity [Abstract]
Retained Earnings [Member]
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Additional Paid In Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income [Member]
Retained Earnings [Member]
Retained Earnings [Member]
Beginning Balance
Beginning Balance, Shares
Shares Issued
Exercise of stock options
Stock Issued During Period Value Stock Options Exercised
Exercise of stock options, Shares
Stock Issued During Period Shares Stock Options Exercised
Exercise of stock options and warrants
Stock Issued During Period Value Stock Options And Warrants Exercised
Exercise of stock options and warrants, Shares
Stock Issued During Period Shares Stock Options And Warrants Exercised
Vesting of restricted stock units, net of withholding
Restricted Stock Value Shares Issued Net Of Tax Withholdings
Vesting of restricted stock units, net of withholding, Shares
Restricted Stock Shares Issued Net Of Shares For Tax Withholdings
Stock-based compensation expense
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Income tax benefit from stock option exercises
Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net
Cumulative effect adjustment for adoption of new accounting guidance (Note 2)
Cumulative Effect Of New Accounting Principle In Period Of Adoption
Other comprehensive loss, net of tax
Ending Balance
Ending Balance, Shares
The cash outflow associated with the premium paid on marketable securities.
Statement Of Cash Flows [Abstract]
Cash flows from operating activities
Net Cash Provided By Used In Operating Activities [Abstract]
Net income
Profit Loss
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Stock-based compensation expense
Share Based Compensation
Depreciation and amortization expense
Depreciation And Amortization
Deferred income taxes
Deferred Income Taxes And Tax Credits
Income tax benefit from stock awards
Excess Tax Benefit From Share Based Compensation Operating Activities
Premium paid on marketable securities
Premium On Marketable Securities
(Accretion) amortization of (discount) premium on marketable securities
Accretion Amortization Of Discounts And Premiums Investments
Change in fair value of warrant liability and Series 1 nonconvertible preferred stock
Other non-cash items
Other Noncash Income Expense
Change in operating assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Accounts receivable
Increase Decrease In Accounts Receivable
Prepaid expenses and other current assets
Increase Decrease In Prepaid Deferred Expense And Other Assets
Accounts payable
Increase Decrease In Accounts Payable
Accrued expenses
Increase Decrease In Accrued Liabilities
Income taxes payable
Increase Decrease In Accrued Income Taxes Payable
Other long-term liabilities
Increase Decrease In Other Noncurrent Liabilities
Other long-term assets
Increase Decrease In Other Noncurrent Assets
Net cash provided by operating activities
Net Cash Provided By Used In Operating Activities
Cash flows from investing activities
Net Cash Provided By Used In Investing Activities [Abstract]
Purchase of marketable securities
Payments To Acquire Marketable Securities
Proceeds from maturities and sale of marketable securities
Proceeds From Sale And Maturity Of Available For Sale Securities
Purchase of property and equipment
Payments To Acquire Property Plant And Equipment
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Cash flows from financing activities
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from exercise of stock options and warrants
Proceeds From Issuance Or Sale Of Equity
Income tax benefit from exercise of stock options
Excess Tax Benefit From Share Based Compensation Financing Activities
Payments for settlement of share-based awards
Payments Related To Tax Withholding For Share Based Compensation
Payments of capital lease obligations
Repayments Of Long Term Capital Lease Obligations
Net cash provided by financing activities
Net Cash Provided By Used In Financing Activities
Net (decrease) increase in cash and cash equivalents
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Cash, cash equivalents and restricted cash at beginning of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Cash, cash equivalents and restricted cash at end of period
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes
Income Taxes Paid
Non-cash items:
Other Noncash Investing And Financing Items [Abstract]
Purchases of fixed assets included in accounts payable and accrued expenses
Capital Expenditures Incurred But Not Yet Paid
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Nature of the Business
Nature Of Operations
Accounting Policies [Abstract]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Fair Value Disclosures [Abstract]
Fair Value of Financial Assets and Liabilities
Fair Value Disclosures [Text Block]
Investments Debt And Equity Securities [Abstract]
Marketable Securities
Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block]
Property Plant And Equipment [Abstract]
Property and Equipment, Net
Property Plant And Equipment Disclosure [Text Block]
Payables And Accruals [Abstract]
Accrued Expenses and Other Current Liabilities and Other Long-Term Liabilities
Accounts Payable And Accrued Liabilities Disclosure [Text Block]
Collaboration Agreements
Collaborative Arrangement Disclosure [Text Block]
Equity [Abstract]
Stockholders' Equity
Stockholders Equity Note Disclosure [Text Block]
The entire disclosure for nonconvertible preferred stock and warrants.
Debt Disclosure [Abstract]
Series 1 Nonconvertible Preferred Stock and Warrants
Nonconvertible Preferred Stock And Warrants [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Awards
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
Net Income Per Share
Earnings Per Share [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Postemployment Benefits [Abstract]
401(k) Plan
Compensation And Employee Benefit Plans [Text Block]
Quarterly Financial Information Disclosure [Abstract]
Selected Quarterly Financial Data (unaudited)
Quarterly Financial Information [Text Block]
Basis of Presentation
Basis Of Accounting Policy Policy [Text Block]
Use of Estimates
Use Of Estimates
Cash Equivalents and Marketable Securities
Cash And Cash Equivalents Policy [Text Block]
Restricted Cash
Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy
Concentration of Credit Risk and of Significant Customers and Suppliers
Concentration Risk Credit Risk
Fair Value Measurements
Fair Value Measurement Policy Policy [Text Block]
Property and Equipment
Property Plant And Equipment Policy [Text Block]
Impairment of Long-Lived Assets
Impairment Or Disposal Of Long Lived Assets Including Intangible Assets Policy Policy [Text Block]
Revenue Recognition
Revenue Recognition Policy [Text Block]
Research and Development Costs
Research And Development Expense Policy
Research and development and clinical manufacturing accruals..
Research and Development and Clinical Manufacturing Accruals
Research And Development And Clinical Manufacturing Accruals Policy [Text Block]
Disclosure of accounting for patent related expenses.
Patent Costs
Patent Cost Policy
Stock-Based Compensation
Share Based Compensation Option And Incentive Plans Policy
Income Taxes
Income Tax Policy [Text Block]
Net Income per Share
Earnings Per Share Policy [Text Block]
Segment Data
Segment Reporting Policy Policy [Text Block]
Comprehensive Income
Comprehensive Income Policy Policy [Text Block]
Going concern.
Going Concern
Going Concern Policy [Text Block]
Recently Issued Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Schedule of property plant and equipment useful life.
Property and Equipment Estimated Useful Lives
Schedule Of Property Plant And Equipment Useful Life Table [Text Block]
Financial Assets and Liabilities that were Subject to Fair Value Measurement on Recurring Basis
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block]
Fair Value Measurements of the Company's Warrant Liability and Series 1 Nonconvertible Preferred Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block]
Rollforward of Aggregate Fair Values of Warrants and Outstanding Series 1 Nonconvertible Preferred Stock
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]
Fair Value of Available-for-Sale Marketable Securities by Type of Security
Available For Sale Securities [Text Block]
Schedule of Property and Equipment, Net
Property Plant And Equipment [Text Block]
Accrued Expenses and Other Current Liabilities and Other Long-Term Liabilities
Schedule Of Accrued Liabilities Table [Text Block]
Summary of royalty tiers associated with cumulative calendar year net sales allocated to each royalty-bearing product.
Summary of Royalty Tiers Associated with Cumulative Calendar Year Net Sales Allocated to Each Royalty-bearing Product
Summary Of Royalty Tiers Associated With Cumulative Calendar Year Net Sales Allocated To Each Royalty Bearing Product Table [Text Block]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Relative stockholder return units rTSRUs.
Relative Total Stockholder Return Units [Member]
Relative Stockholder Return Units R T S R Us [Member]
Performance share units and relative stockholder return units.
Performance Share Units and Relative Total Stockholder Return Units [Member]
Performance Share Units And Relative Stockholder Return Units [Member]
Data Used to Determine Value of Stock Option Grants, Presented on Weighted Average Basis
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Stock Option Activity
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Tabular disclosure of the intrinsic value of stock options exercised, proceeds from exercise and weighted average grant date fair value of options granted (per share)
Summary of Additional Exercise and Grant Date Information
Schedule Of Share Based Compensation Options Exercised Granted Table [Text Block]
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of restricted stock awards with market and service conditions, including, but not limited to: (a) expected volatility of the entity's shares, (b) expected term (c) expected dividends, (d) risk-free rate(s).
Data Used to Determine Value of Stock Option Grants, Presented on Weighted Average Basis
Schedule Of Relative Stockholder Return Units Valuation Assumptions Table [Text Block]
Summary of PSUs and rTSRUs Activity
Schedule Of Nonvested Performance Based Units Activity Table [Text Block]
Summary of Restricted Stock Unit Activity
Schedule Of Nonvested Restricted Stock Units Activity Table [Text Block]
Stock-Based Compensation Expense
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Basic and Diluted Net Income Per Common Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Future Minimum Lease Payments
Schedule Of Future Minimum Rental Payments For Operating Leases Table [Text Block]
Summary of Income Tax Benefit (Expense)
Schedule Of Components Of Income Tax Expense Benefit Table [Text Block]
Reconciliation of Income Tax Provision at Federal Statutory Income Tax Rate and Effective Tax Rate
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Net Deferred Tax Assets and Liabilities
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Schedule of Reconciliation of Uncertain Tax Positions
Schedule Of Unrecognized Tax Benefits Roll Forward Table [Text Block]
Schedule of Quarterly Financial Information
Schedule Of Quarterly Financial Information Table [Text Block]
Maximum original maturity period for investments classified as cash equivalents.
Short term marketable security remaining maturity period.
Long term marketable security remaining maturity period.
Summary of Accounting and Financial Policies [Line Items]
Summary of Accounting and Financial Policies [Table]
Summary Of Accounting And Financial Policies [Table]
Summary Of Accounting And Financial Policies [Table]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Maximum [Member]
Maximum [Member]
Minimum [Member]
Minimum [Member]
Cash and Cash Equivalents
Cash And Cash Equivalents [Axis]
Cash and Cash Equivalents
Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member]
Money Market Funds [Member]
Money Market Funds [Member]
Adjustments for New Accounting Pronouncements
Adjustments For New Accounting Pronouncements [Axis]
Type of Adoption
Type Of Adoption [Member]
ASU 2016-18 [Member]
Accounting Standards Update201618 [Member]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Summary of Accounting and Financial Policies [Line Items]
Summary Of Accounting And Financial Policies [Line Items]
Short-term investments maturity period
Cash Equivalents Maturity Period
Short-term marketable securities maturity period
Short Term Marketable Security Maturity Period
Long-term marketable securities maturity period
Long Term Marketable Securities Maturity Period
Adjustment to fair value
Assets Fair Value Adjustment
Cash and investment restricted as a collateral for outstanding letter of credit
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Property, Plant and Equipment, Type
Property Plant And Equipment By Type [Axis]
Property, Plant and Equipment, Type
Property Plant And Equipment Type [Domain]
Laboratory and Office Equipment [Member]
Machinery And Equipment [Member]
Leasehold Improvements [Member]
Leasehold Improvements [Member]
Purchased Software [Member]
Software And Software Development Costs [Member]
Computer Equipment [Member]
Computer Equipment [Member]
Furniture [Member]
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment [Line Items]
Property plant and equipment useful life
Property Plant And Equipment Useful Life
Leasehold improvements useful life
Property Plant And Equipment Estimated Useful Lives
Income tax benefit recognition percentage of likelihood of being realized upon settlement.
Income tax benefit recognition, percentage of likelihood of being realized upon settlement
Income Tax Benefit Recognition Percentage Of Likelihood Of Being Realized Upon Settlement
Right-of-use asset
Operating Lease Right Of Use Asset
Lease liability
Operating Lease Liability
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Investment Type
Investment Type [Axis]
Investments
Investment Type Categorization [Member]
U.S. Treasury Notes [Member]
U S Treasury Securities [Member]
Commercial Paper [Member]
Commercial Paper [Member]
Corporate Bonds [Member]
Corporate Debt Securities [Member]
Fair Value Hierarchy and NAV
Fair Value By Fair Value Hierarchy Level [Axis]
Fair Value Hierarchy and NAV
Fair Value Measurements Fair Value Hierarchy [Domain]
Level 1 [Member]
Fair Value Inputs Level1 [Member]
Level 2 [Member]
Fair Value Inputs Level2 [Member]
Level 3 [Member]
Fair Value Inputs Level3 [Member]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Preferred stock that may not be exchanged into common shares or other types of securities at the owner's option.
Series 1 Nonconvertible Preferred Stock [Member]
Series One Non Convertible Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets:
Assets Fair Value Disclosure [Abstract]
Cash equivalents
Cash And Cash Equivalents Fair Value Disclosure
Marketable securities
Investments Fair Value Disclosure
Assets, Fair Value Disclosure, Total
Assets Fair Value Disclosure
Liabilities:
Liabilities Fair Value Disclosure [Abstract]
Liabilities
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value
Liabilities, Fair Value Disclosure, Total
Liabilities Fair Value Disclosure
Amount of transfers of financial instruments classified as an asset or liability between level 1, level 2, and level 3 of the fair value hierarchy.
Transfers between Level 1, Level 2 and Level 3
Fair Value Measurements Inter Transfers Between Levels
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Warrant Liability [Member]
Financial Instrument [Axis]
Financial Instruments
Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]
Warrant Liability [Member]
Warrant [Member]
Measurement Input Type
Measurement Input Type [Axis]
Measurement Input Type
Measurement Input Type [Domain]
Measurement input probabilities of payout.
Probabilities of Payout [Member]
Measurement Input Probabilities Of Payout [Member]
Discount Rate [Member]
Measurement Input Discount Rate [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range
Alternative Investment Measurement Input
Alternative Investment, Valuation Technique [Extensible List]
Alternative Investment Valuation Technique Extensible List
Fair value of warrants exercised and issued into series one nonconvertible preferred stock.
Fair value of warrants expired.
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance
Warrants exercised
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Increase Decrease From Warrants Exercised
Warrants expired
Fair Value Of Warrants Expired
Increase (Decrease) in fair value
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease
Ending Balance
Schedule Of Available For Sale Securities [Table]
Schedule Of Available For Sale Securities [Table]
Schedule of Available-for-sale Securities [Line Items]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost
Available For Sale Debt Securities Amortized Cost Basis
Gross Unrealized Gains
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
Gross Unrealized Losses
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
Fair Value
Available For Sale Securities Debt Securities
Description of period of maturity for investments classified as marketable securities.
Short term marketable securities.
Short Term Marketable Securities [Member]
Short Term Marketable Securities [Member]
Corporate Bonds and U.S. Treasury Notes [Member]
Corporate Bonds and U.S. Treasury Notes [Member]
Corporate Bonds And U S Treasury Notes [Member]
Investment, Name
Schedule Of Equity Method Investment Equity Method Investee Name [Axis]
Investment, Name
Equity Method Investee Name [Domain]
Long term marketable securities.
Long Term Marketable Securities [Member]
Long Term Marketable Securities [Member]
Maturity period of the marketable securities
Marketable Securities Maturity Period
Long-term marketable securities
Construction in Progress [Member]
Construction In Progress [Member]
Property and equipment
Property Plant And Equipment Gross
Less: Accumulated depreciation and amortization
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property and equipment, net
Accrued research and development expenses current.
Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs for manufacturing of materials.
Accrued expenses and other current liabilities:
Accrued Liabilities Current [Abstract]
Accrued research and development expenses
Accrued Research And Development Expenses Current
Accrued payroll and related expenses
Employee Related Liabilities Current
Accrued clinical manufacturing
Accrued Liabilities Manufacturing
Accrued professional fees
Accrued Professional Fees Current
Accrued other
Other Accrued Liabilities Current
Accrued expenses
Other long-term liabilities:
Other Liabilities Noncurrent [Abstract]
Uncertain tax positions
Liability For Uncertain Tax Positions Noncurrent
Accrued rent expense
Accrued Rent Noncurrent
Capital lease obligation
Capital Lease Obligations Noncurrent
Asset retirement obligation
Asset Retirement Obligations Noncurrent
Other long-term liabilities
Agreement date.
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
AbbVie.
AbbVie [Member]
Abb Vie [Member]
Deferred Revenue Arrangement Type
Deferred Revenue Arrangement Type [Axis]
Deferred Revenue
Deferred Revenue Arrangement Type [Domain]
Milestone payments.
Milestone Payments [Member]
Milestone Payments [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Collaboration agreement date
Collaboration Agreement Date
Cumulative amount of cash consideration received under collaboration agreement from collaboration partner.
Milestone revenue payments received
Proceed received to fund research activities and preferred stock financing
Cash Consideration Received Under Collaboration
Collaboration agreement tiered royalty description
Collaborative Arrangement Rights And Obligations
Royalty tier percentage earned on net sales reported by collaborator.
Reported amount of net sales by collaborator for which Enanta earns a royalty percentage of such allocated sales.
Scenario
Statement Scenario [Axis]
Scenario
Scenario Unspecified [Domain]
Scenario one.
Up to $500,000 [Member]
Scenario One [Member]
Scenario two.
From $500,000 up to $750,000
Scenario Two [Member]
Scenario three.
From $750,000 up to $1,000,000
Scenario Three [Member]
Scenario four.
From $1,000,000 up to $2,500,000
Scenario Four [Member]
Scenario five.
Greater than or equal to $2,500,000 [Member]
Scenario Five [Member]
Calendar Year Net Sales
Calendar Year Net Sales By Collaborator
Royalty Tier
Percentage Of Net Sales For Royalties Tier
Period from first commercial sale of covered product for continuation of rights and obligations under agreement.
Agreement continuation period
Period From First Commercial Sale Of Covered Product For Continuation Of Rights And Obligations Under Agreement
Preferred stock maximum redemption period.
Schedule Of Stock By Class [Table]
Schedule Of Stock By Class [Table]
Class of Stock [Line Items]
Class Of Stock [Line Items]
Preferred Shares authorized
Preferred Stock Shares Authorized
Par value of outstanding convertible preferred stock
Preferred Stock Par Or Stated Value Per Share
Per share value adjusted for stock dividend
Preferred Stock Liquidation Preference
Preferred stock redemption price per share
Preferred Stock Redemption Price Per Share
Redemption period
Preferred Stock Maximum Redemption Period
Class of warrant or right number of securities called by warrants or rights expiration date.
Number of shares issuable upon exercise of the warrants
Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights
Warrant expiration date
Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Expiration Date
Preferred stock, shares outstanding
Preferred Stock Shares Outstanding
Change in fair value of warrants
Fair Value Adjustment Of Warrants
Fair value of the Series 1 nonconvertible preferred stock
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
Two thousand nineteen equity incentive plan member
2019 Equity Incentive Plan [Member]
Two Thousand Nineteen Equity Incentive Plan [Member]
Employee stock purchase plan.
Employee Stock Purchase Plan [Member]
Employee Stock Purchase Plan [Member]
Title of Individual
Title Of Individual [Axis]
Title of Individual
Title Of Individual With Relationship To Entity [Domain]
Employees.
Employees [Member]
Employees [Member]
Non-Employee Directors [Member]
Director [Member]
Performance based options.
Performance-Based Options [Member]
Performance Based Options [Member]
Certain executives.
Certain Executives [Member]
Certain Executives [Member]
PSUs [Member]
Performance Shares [Member]
Executive Officers [Member]
Executive Officer [Member]
Restricted Stock Units [Member]
Restricted Stock Units R S U [Member]
Vesting
Vesting [Axis]
Vesting
Vesting [Domain]
Tranche One [Member]
Share Based Compensation Award Tranche One [Member]
Tranche Two [Member]
Share Based Compensation Award Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for future grant
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Shares issued
Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period
Options granted, requisite service period
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1
Vesting period
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
Options granted, expiration period
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
Expected dividend yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Share based payment award stock options valuation assumptions.
Share Based Payment Award Stock Options Valuation Assumptions [Table]
Share Based Payment Award Stock Options Valuation Assumptions [Table]
Share Based Payment Award Stock Options Valuation Assumptions [Table]
Executive Officer [Member]
Share Based Payment Award Stock Options Valuation Assumptions [Line Items]
Share Based Payment Award Stock Options Valuation Assumptions [Line Items]
Expected volatility
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
Risk-free interest rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
Expected term (in years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Expected dividends
Options
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward
Outstanding as of beginning of period
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Exercised
Forfeited
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
Outstanding as of end of period
Options vested and expected to vest as of end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
Options exercisable as of end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
Weighted Average Exercise Price
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Rollforward
Outstanding
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Forfeited
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Outstanding
Options vested and expected to vest as of end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
Options exercisable as of end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
Weighted Average Remaining Contractual Term
Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Abstract]
Outstanding as of end of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Options vested and expected to vest as of end period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
Options exercisable as of end of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
Share based compensation arrangement by share based payment award options aggregate intrinsic value.
Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract]
Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Options vested and expected to vest as of end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value
Options exercisable as of end of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
Aggregate intrinsic value of stock options exercised
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
Proceeds to Company from stock options exercised
Proceeds From Stock Options Exercised
Share based compensation arrangement by share based payment award equity instruments other than options aggregate grant date fair value.
Shares awarded
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Aggregate grant date fair value of award
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Aggregate Grant Date Fair Value
Compensation expenses
Allocated Share Based Compensation Expense
The minimum percentage of target performance shares that are eligible to be earned based on achievement of a total shareholder return target.
The maximum percentage of target performance shares that are eligible to be earned based on achievement of a total shareholder return target.
Number of shares range percentage, minimum
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Target Shares Earned Minimum Limit
Number of shares range percentage, maximum
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Target Shares Earned Maximum Limit
The risk-free interest rate assumption that is used in valuing a relative total stockholder return unit.
The expected dividend rate assumption that is used in valuing a relative total stockholder return unit.
Risk-free interest rate
Share Based Compensation Arrangement R T S R U Award Fair Value Assumptions Risk Free Interest Rate
Expected dividends
Share Based Compensation Arrangement R T S R U Award Fair Value Assumptions Expected Dividend Rate
Share Based Arrangements To Obtain Goods And Services [Abstract]
rTSRUs [Member]
rTSRUs [Member]
Unvested, beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Granted
Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
Cancelled
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
Unvested, ending balance
Weighted Average Grant Date Fair Value Per Share, Unvested beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Cancelled
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Unvested ending balance
Share based compensation arrangement by share based payment award percentage of target shares vested.
Share based compensation arrangement by share based payment award aggregate of target share issued.
Percentage of target shares vested
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Target Shares Vested
Aggregate of target share issued
Share Based Compensation Arrangement By Share Based Payment Award Aggregate Of Target Share Issued
Vesting percentage
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Research and Development [Member]
Research And Development Expense [Member]
General and Administrative [Member]
General And Administrative Expense [Member]
Stock Options [Member]
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation expense
Aggregate of unrecognized stock-based compensation cost
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
Weighted average recognition period
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Basic net income per share:
Earnings Per Share Basic [Abstract]
Weighted average common shares outstanding — basic
Net income per share common share — basic
Diluted net income per share:
Earnings Per Share Diluted [Abstract]
Dilutive effect of common stock equivalents
Weighted Average Number Diluted Shares Outstanding Adjustment
Weighted average common shares outstanding — diluted
Net income per share common share — diluted
Anti-dilutive common stock equivalents excluded from above
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Number of leases.
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Lease Arrangement, Type
Lease Arrangement Type [Axis]
Lease Arrangement, Type
Lease Arrangement Type [Domain]
First lease.
First Lease [Member]
First Lease [Member]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
Five Hundred Arsenal Street, Watertown, Massachusetts.
500 Arsenal Street, Watertown, Massachusetts [Member]
Five Hundred Arsenal Street Watertown Massachusetts [Member]
Second lease.
Second Lease [Member]
Second Lease [Member]
Four Hundred Talcott Avenue Watertown, Massachusetts.
400 Talcott Avenue, Watertown, Massachusetts [Member]
Four Hundred Talcott Avenue Watertown Massachusetts [Member]
Research and Development Arrangement, Contract to Perform for Others, Type
Research And Development Arrangement Contract To Perform For Others By Type [Axis]
Research and Development Arrangement, Contract to Perform for Others, Type
Research And Development Arrangement Contract To Perform For Others Type [Domain]
License Agreement Terms [Member]
License Agreement Terms [Member]
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Line Items]
Number of leases
Number Of Leases
Office lease expiration period
Lease Expiration Date1
Tenant improvement allowance
Payments For Proceeds From Tenant Allowance
Outstanding letter of credit
Letters Of Credit Outstanding Amount
Effective period of lease agreement.
Lease expiration period.
Period of lease agreement
Effective Period Of Lease Agreement
Office lease expiration period
Lease Expiration Period
Rent expense
Lease And Rental Expense
2020
Operating Leases Future Minimum Payments Due Current
2021
Operating Leases Future Minimum Payments Due In Two Years
2022
Operating Leases Future Minimum Payments Due In Three Years
2023
Operating Leases Future Minimum Payments Due In Four Years
2024
Operating Leases Future Minimum Payments Due In Five Years
Thereafter
Operating Leases Future Minimum Payments Due Thereafter
Total
Operating Leases Future Minimum Payments Due
2020
Capital Leases Future Minimum Payments Due Current
2021
Capital Leases Future Minimum Payments Due In Two Years
2022
Capital Leases Future Minimum Payments Due In Three Years
2023
Capital Leases Future Minimum Payments Due In Four Years
2024
Capital Leases Future Minimum Payments Due In Five Years
Thereafter
Capital Leases Future Minimum Payments Due Thereafter
Total
Capital Leases Future Minimum Payments Due
Expense associated with licensing agreements with third parties.
License agreement, recorded liability paid
License Expense
Current income tax benefit (expense):
Current Income Tax Expense Benefit Continuing Operations [Abstract]
Federal
Current Federal Tax Expense Benefit
State
Current State And Local Tax Expense Benefit
Deferred income tax benefit (expense):
Deferred Income Tax Expense Benefit Continuing Operations [Abstract]
Federal
Deferred Federal Income Tax Expense Benefit
State
Deferred State And Local Income Tax Expense Benefit
Total tax (expense) benefit
Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.
Effective income tax rate reconciliation foreign derived intangible income percent.
Federal statutory income tax rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
State taxes, net of federal benefit
Effective Income Tax Rate Reconciliation State And Local Income Taxes
Federal research and development tax credit
Effective Income Tax Rate Reconciliation Tax Credits Research
Remeasurement of net deferred tax assets
Effective Income Tax Rate Reconciliation Tax Cut And Jobs Act Of2017 Percent
Share-based compensation
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
Foreign-derived intangible income
Effective Income Tax Rate Reconciliation Foreign Derived Intangible Income Percent
Other
Effective Income Tax Rate Reconciliation Other Adjustments
Effective income tax rate
Effective Income Tax Rate Continuing Operations
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expense capitalized.
Deferred tax assets:
Deferred Tax Assets Net [Abstract]
Share-based compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
Other temporary differences
Deferred Tax Assets Other
Accrued compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation
Tax credit carryforwards
Deferred Tax Assets Tax Credit Carryforwards
Accrued expenses
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
Capitalized research and development expenses
Deferred Tax Assets Capitalized Research And Development Expenses
Unrealized loss
Deferred Tax Assets Other Comprehensive Loss
Total deferred tax assets
Deferred Tax Assets Gross
Valuation allowance
Deferred Tax Assets Valuation Allowance
Net deferred tax assets
Deferred Tax Assets Net
Deferred tax liabilities:
Deferred Tax Liabilities Net [Abstract]
Depreciation
Deferred Tax Liabilities Property Plant And Equipment
Prepaid expenses
Deferred Tax Liabilities Prepaid Expenses
Unrealized gain
Deferred Tax Liabilities Other Comprehensive Income
Total deferred tax liabilities
Deferred Income Tax Liabilities
Net deferred income tax assets (liabilities)
Deferred Tax Assets Liabilities Net
Research and development tax credit carry-forward expiration year.
Tax Credit Carryforward [Table]
Tax Credit Carryforward [Table]
Income Tax Authority, Name
Income Tax Authority Name [Axis]
Income Tax Authority, Name
Income Tax Authority Name [Domain]
Federal [Member]
Domestic Country [Member]
State [Member]
State And Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward [Line Items]
Research and development tax credit carryforward
Deferred Tax Assets Tax Credit Carryforwards Research
Research and development tax credit carryforward expiration year
Research And Development Tax Credit Carry Forward Expiration Year
Liability for uncertainty in income taxes, current
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
Beginning Balance
Unrecognized Tax Benefits
Additions based on tax positions for the current period
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
Reductions for tax positions due to lapse of statute of limitations
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
Reductions for tax positions of prior periods
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
Ending Balance
Compensation Related Costs [Abstract]
Benefits charged to operating expenses
Defined Contribution Plan Cost Recognized
Revenue
Operating expenses
Other income (expense), net
Net income
Net income per common share — basic
Net income per common share — diluted
Schedule Of Quarterly Financial Information [Line Items]
Schedule Of Quarterly Financial Information [Table]
Schedule Of Quarterly Financial Information [Table]
Schedule Of Quarterly Financial Information [Table]
Japan [Member]
JAPAN
Milestone [Member]
Schedule Of Quarterly Financial Information [Line Items]
Schedule Of Quarterly Financial Information [Line Items]
Revenue