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Tiered Royalty Payments, Percentage

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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Number of shares of stock issued during the period pursuant to acquisitions.

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Value of stock issued pursuant to acquisitions during the period.

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Additions and Returns of Product Rights - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended	24 Months Ended
	Nov. 30, 2018	Nov. 30, 2016	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2021	Jul. 31, 2020
Business Acquisition [Line Items]
Financial consideration received in exchange for product license rights, installment payments			$ 500,000	$ 3,000,000.0
Clinigen \| Scenario, Forecast
Business Acquisition [Line Items]
Financial consideration received in exchange for product license rights					$ 5,000,000
Vaprisol
Business Acquisition [Line Items]
Payment to acquire business upon closing	$ 20,000,000.0
Other Payments to Acquire Businesses	$ 5,000,000.0
Percentage of tiered royalty payments (up to)	20.00%
Additional liability			7,336,045	8,200,552
Vaprisol \| Other current liabilities
Business Acquisition [Line Items]
Additional liability			2,700,000
Vaprisol \| Other long-term liabilities
Business Acquisition [Line Items]
Additional liability			4,600,000
Methotrexate
Business Acquisition [Line Items]
Payment to acquire business upon closing		$ 100,000
Additional liability				$ 1,000,000.0		$ 1,000,000.0
Liability recorded		$ 900,000
Vested common stock, value			900,000
Net intangible assets			$ 2,800,000
Methotrexate \| Restricted Stock
Business Acquisition [Line Items]
Unvested restricted shares (in shares)		180,000