Revenue - Additional Information (Details) - USD ($)				3 Months Ended			6 Months Ended		48 Months Ended
	Aug. 10, 2022	Aug. 02, 2022	Sep. 19, 2018	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2022	Apr. 17, 2018
Deferred Revenue Arrangement [Line Items]
Revenue				$ 2,326,292		$ 9,314,207	$ 4,519,505	$ 13,647,707
Grant and contract revenue				1,567,983		$ 1,945,103	3,844,779	$ 3,998,487
Grants receivable										$ 7,400,000
Recognized as revenue							17,000
Subsequent event
Deferred Revenue Arrangement [Line Items]
Royalty sales percentage fee	2.00%
Royalties payable	$ 2,300,000
Royalties receivable	$ 9,100,000
BARDA
Deferred Revenue Arrangement [Line Items]
Proceeds from funding agreement							2,100,000
BARDA | Subsequent event
Deferred Revenue Arrangement [Line Items]
Proceeds from funding agreement		$ 2,100,000
Plan | BARDA
Deferred Revenue Arrangement [Line Items]
Proceeds from funding agreement			$ 10,800,000
Forecast | BARDA
Deferred Revenue Arrangement [Line Items]
Proceeds from funding agreement									$ 8,700,000
Grant
Deferred Revenue Arrangement [Line Items]
Revenue					$ 7,400,000
NIDA Grant
Deferred Revenue Arrangement [Line Items]
Recognized as revenue				$ 0			$ 17,000