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Borrowings - Narrative (Details)		1 Months Ended		3 Months Ended		6 Months Ended
	Dec. 07, 2018 USD ($)	Nov. 30, 2021 USD ($) installment	Sep. 30, 2017 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Loan payable | Capital Royalty Partners II LP
Debt Instrument [Line Items]
Loan repayment			$ 17,800,000
2017 Term loan | Loan payable | Innovatus Life Sciences Lending Fund
Debt Instrument [Line Items]
Term loan borrowings	$ 5,000,000		$ 20,000,000			$ 0
Term loan, interest rate		8.00%
Term loan, paid in-kind, interest rate		2.00%
Term loan, effective interest rate		8.50%
Number of monthly installments | installment		24
Term loan, fee incurred upon payment of final installment				$ 1,000,000		$ 1,000,000
Term loan, prepayment premium percentage		3.00%
Term loan, annual reduction in prepayment penalty percentage		1.00%
Term loan, covenant, revenue performance period						12 months
Term loan, covenant, number of days to cure covenant if performance measure is not met						60 days
Term loan covenant, minimum unrestricted cash balance		$ 2,000,000.0
Term loan covenant, increase to interest rate				4.00%		4.00%
2017 Term loan | Paid in-kind note | Innovatus Life Sciences Lending Fund
Debt Instrument [Line Items]
Term loan, paid in-kind loans issued				$ 100,000	$ 100,000	$ 300,000	$ 300,000

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