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Commercial License and Other Economic Rights, Allowance for Credit Loss

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Credits Applied on Advances on Inventory Purchases

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Forecasted Cash Flows, Effective Interest Rate, Percent

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Share-Based Compensation, Achievement of Performance Criteria, Payout Range, Percent

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Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Number of warrants or rights outstanding.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) position $ / shares shares	Sep. 30, 2020 USD ($) shares	Sep. 30, 2021 USD ($) position $ / shares shares	Sep. 30, 2020 USD ($) shares	Jan. 01, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Revenue recognized from milestone method revenue	$ 7,700,000	$ 5,800,000	$ 22,800,000	$ 8,300,000
Warrants outstanding (shares) \| shares	0		0
Number of positions in an unrealized loss position \| position	11		11
Credit losses related to available-for-sale debt securities	$ 0		$ 0
Additional allowance for credit losses recorded related to COVID-19	10,000.00		100,000
Advances on inventory purchases	50,200,000		50,200,000
Credits applied on advances on inventory purchases	$ 24,400,000		$ 24,400,000
Allowance for credit loss					$ 5,500,000
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (in shares) \| shares	5,574,000	7,028,000	4,984,000	8,330,000
Share-based Compensation
Property, Plant and Equipment [Line Items]
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (in shares) \| shares		700,000		650,000
Restricted Stock Awards
Property, Plant and Equipment [Line Items]
Performance period for awards			3 years
Royalty Agreements \| Aziyo
Property, Plant and Equipment [Line Items]
Effective interest rate for forecasted cash flows (as a percent)			23.00%
Royalty Agreements \| Selexis
Property, Plant and Equipment [Line Items]
Effective interest rate for forecasted cash flows (as a percent)			21.00%
Maximum \| Restricted Stock Awards
Property, Plant and Equipment [Line Items]
Payout range (as a percent)			200.00%
Minimum \| Restricted Stock Awards
Property, Plant and Equipment [Line Items]
Payout range (as a percent)			0.00%
Viking Therapeutics, Inc.
Property, Plant and Equipment [Line Items]
Warrant exercise price (USD per share) \| $ / shares	$ 1.5		$ 1.5
Viking Therapeutics, Inc. \| Maximum
Property, Plant and Equipment [Line Items]
Outstanding warrants to purchase shares of Viking's common stock (shares) \| shares	1,500,000		1,500,000