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Term Loan - Scheduled Principal Payments for Term Loan (Details) - Term Loan [Member]
$ in Thousands
Jun. 30, 2022
USD ($)
Debt Instrument [Line Items]  
2022 (remaining nine months) $ 2,500
2023 417
Total principal 2,917
Unamortized discounts (4)
Carrying amount 2,913
Less current portion (2,913)
Long-term portion $ 0