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Long-Term Debt, Net of Debt Discount and Financing Fees - Carrying Value of Outstanding Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Debt Instrument [Line Items]        
Less - unamortized debt discount and deferred financing fees $ (4,959) $ (5,179)    
Long-term debt, net of debt discount and financing fees 45,041 44,821    
First Tranche        
Debt Instrument [Line Items]        
Oberland facility 35,000 35,000   $ 35,000
Second Tranche        
Debt Instrument [Line Items]        
Oberland facility $ 15,000 $ 15,000 $ 15,000