Deferred Revenue (Details) - USD ($)	1 Months Ended					3 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2022	Jun. 30, 2021	Sep. 30, 2020	Jan. 31, 2020	Oct. 31, 2014	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2016	Dec. 31, 2021
Deferred Revenue Arrangement [Line Items]
Deferred revenue						$ 7,274,000		$ 7,274,000			$ 8,157,000
Baxter Healthcare Organization
Deferred Revenue Arrangement [Line Items]
Term of agreement					10 years
Upfront payment					$ 20,000,000
Recognized deferred revenue						500,000	$ 500,000	1,000,000	$ 1,000,000
Deferred revenue						4,300,000		4,300,000			5,200,000
Wanbang Biopharmaceutical
Deferred Revenue Arrangement [Line Items]
Upfront payment										$ 4,000,000
Recognized deferred revenue						100,000	100,000	100,000	100,000
Deferred revenue						2,400,000		2,400,000			2,500,000
Sun Pharma Agreements
Deferred Revenue Arrangement [Line Items]
Upfront payment				$ 100,000
Recognized deferred revenue						2,500	2,500	5,000	5,000
Deferred revenue						75,000		75,000			80,000
Jeil Pharma Agreements
Deferred Revenue Arrangement [Line Items]
Upfront payment			$ 200,000
Recognized deferred revenue						2,500	2,500	7,800	5,000
Deferred revenue						400,000		400,000			200,000
Milestone consideration	$ 200,000
Drogsan Agreements
Deferred Revenue Arrangement [Line Items]
Upfront payment		$ 150,000
Recognized deferred revenue						3,750	$ 3,750	7,500	$ 7,500
Deferred revenue						$ 140,000		$ 140,000			$ 140,000