Equity Investment in PACT Pharma - Additional Information (Details) - USD ($) shares in Millions	3 Months Ended		12 Months Ended	15 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2016	Mar. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Gains on dilution of equity investment		$ 482,000
Share of loss from equity method investee		(482,000)
PACT Pharma
Schedule of Equity Method Investments [Line Items]
Investment balance	$ 0			$ 0	$ 0
Gains on dilution of equity investment		1,300,000
Share of loss from equity method investee	0	500,000
Unrealized loss on equity method investments	800,000			$ 2,100,000
Operating losses on equity method investments	$ 0	500,000
PACT Pharma | Previously Reported
Schedule of Equity Method Investments [Line Items]
Losses on accumulated in prior periods of equity investment		$ 800,000
PACT Pharma | Series A Preferred Stock
Schedule of Equity Method Investments [Line Items]
Purchase of common stock, shares			1.0
PACT Pharma | Common Stock
Schedule of Equity Method Investments [Line Items]
Purchase of common stock, shares			3.6