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Debt - Debt components (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Unamortized debt discount	$ (492)	$ (413)
Accretion of final fee	557	384
Total debt, net	42,565	32,471
Midcap Trust Term Loan
Debt Instrument [Line Items]
Total minimum principal payments	$ 42,500	$ 32,500

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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