Cumulative payments of debt.

No definition available.

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- Definition

Debt instrument convertible threshold maximum percentage of product of last reported sale price of common stock.

+ References

No definition available.

+ Details

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- Definition

Debt instrument convertible threshold measurement period description.

+ References

No definition available.

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- Definition

Debt Instrument Estimated Fair Value

+ References

No definition available.

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- Definition

Debt instrument repurchase price percentage.

+ References

No definition available.

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- Definition

Debt issuance costs allocated to liability component amortized to interest expense amortization period.

+ References

No definition available.

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- Definition

Principal amount of notes used in conversion rate.

+ References

No definition available.

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- Definition

Principal Amount Per Note Used In Conversion Rate

+ References

No definition available.

+ Details

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- Definition

First investment amount.

+ References

No definition available.

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- Definition

Royalty guarantees commitments percentage on first investment amount.

+ References

No definition available.

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- Definition

Royalty guarantees commitments percentage on second investment amount.

+ References

No definition available.

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- Definition

Royalty Payments Applicable Tiered Percentage

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No definition available.

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- Definition

Second investment amount.

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No definition available.

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

Latest date when the debt instrument can be converted into equity, in YYYY-MM-DD format.

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

The average effective interest rate during the reporting period.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

+ References

No definition available.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

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Long-Term Obligations - Additional Information (Detail)		1 Months Ended	9 Months Ended	12 Months Ended
Long-Term Obligations - Additional Information (Detail)	Oct. 15, 2022 d	Sep. 30, 2019 USD ($)	Sep. 30, 2022 USD ($) d $ / shares shares	Dec. 31, 2021 USD ($)	Oct. 26, 2018 USD ($)	Oct. 16, 2018 USD ($)
Subsequent Event [Line Items]
Debt instrument convertible threshold consecutive trading days \| d			5
Description of debt instrument convertible period			during the five business day period immediately after any five consecutive trading day period
Principal amount of notes used in conversion rate			$ 1,000
Debt instrument convertible threshold maximum percentage of product of last reported sale price of common stock			98.00%
Fair Value of embeded derivative liability			$ 3,080,000	$ 3,080,000
Level 3 [Member]
Subsequent Event [Line Items]
Fair Value of embeded derivative liability			3,080,000	3,080,000
Deferred Royalty Obligation [Member] \| Level 3 [Member]
Subsequent Event [Line Items]
Deferred royalty obligation at fair value			129,900,000	129,900,000
Revenue Interest Financing Agreement [Member]
Subsequent Event [Line Items]
Debt issuance costs			$ 1,400,000
First investment amount		$ 75,000,000.0
Revenue Interest Financing Agreement [Member] \| HealthCare Royalty Partners IV LP [Member] \| Royalty Due On December 31, 2022 [Member]
Subsequent Event [Line Items]
Royalty Payable Percentage on First Investment Amount			65.00%
Revenue Interest Financing Agreement [Member] \| HealthCare Royalty Partners IV LP [Member] \| Royalty Due On December 31, 2024 [Member]
Subsequent Event [Line Items]
Royalty Payable Percentage on First Investment Amount			100.00%
Revenue Interest Financing Agreement [Member] \| HealthCare Royalty Partners IV LP [Member] \| Royalty Due On September 30, 2026 [Member]
Subsequent Event [Line Items]
Royalty Payable Percentage on First Investment Amount			100.00%
Amended Revenue Interest Agreement [Member]
Subsequent Event [Line Items]
Second investment amount			$ 60,000,000.0
Amended Revenue Interest Agreement [Member] \| HealthCare Royalty Partners IV LP [Member] \| Royalty Due On December 31, 2024 [Member]
Subsequent Event [Line Items]
Royalty Payable Percentage on Second Investment Amount			65.00%
Revenue Interest Agreement And Amended Revenue Interest Agreement [Member]
Subsequent Event [Line Items]
First investment amount			$ 135,000,000.0	135,000,000.0
Debt Instrument Interest Rate			15.00%
Revenue Interest Agreement And Amended Revenue Interest Agreement [Member] \| HealthCare Royalty Partners IV LP [Member]
Subsequent Event [Line Items]
Aggregate Royalties Percentage			185.00%
Cumulative payments			$ 41,300,000
Convertible Note Offering [Member]
Subsequent Event [Line Items]
Notes converted in to common stock, amount \| shares			63.0731
Notes converted in to common stock, shares			$ 1
Notes, conversion price per share \| $ / shares			$ 15.85
3% Convertible Senior Notes Due 2025 [Member]
Subsequent Event [Line Items]
Aggregate principal amount			$ 172,500,000	172,500,000	$ 22,500,000	$ 150,000,000.0
Debt issuance costs			$ 5,600,000
Debt discount and issuance costs amortized to interest expense, amortization period			7 years
Notes, interest rate			3.00%
Notes, maturity date			Oct. 15, 2025
Principal amount of notes used in conversion rate			$ 1
Debt instrument, convertible latest date			Jun. 15, 2025
Notes conversion price, percentage			130.00%
Notes instrument, trading days \| d			20
Debt instrument convertible threshold consecutive trading days \| d			30
Estimated fair value of convertible notes			$ 140,300,000	$ 139,200,000
Expected life of convertible notes			7 years
Debt Instrument Interest Rate			11.85%
3% Convertible Senior Notes Due 2025 [Member] \| Scenario, Forecast [Member]
Subsequent Event [Line Items]
Notes conversion price, percentage	130.00%
Notes instrument, trading days \| d	20
Debt instrument convertible threshold consecutive trading days \| d	30
Notes, repurchase price	100.00%