Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt, Net of Debt Discount and Financing Fees - Narrative (Details)

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Long-Term Debt, Net of Debt Discount and Financing Fees - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2020
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Jun. 30, 2021
Debt Instrument [Line Items]          
Interest expense   $ 354 $ 444    
Amortization of debt discount and deferred financing fees   219 112    
Restricted cash   6,251   $ 6,251  
Restricted Cash          
Debt Instrument [Line Items]          
Collateral amount   6,000   250  
Debt derivative liabilities          
Debt Instrument [Line Items]          
Fair value of derivatives   $ 5,310   5,562  
Oberland Facility          
Debt Instrument [Line Items]          
Term of debt 7 years        
Period for which quarterly interest payments should be made 7 years        
Interest rate 7.50%        
Interest rate at period end   9.50%      
Threshold revenue achievement for payment of additional quarterly royalty $ 70,000        
Additional payment percentage 1.00%        
Interest expense   $ 335      
Cash paid for interest   1,187 831    
Interest capitalized   1,445 $ 520    
Accumulated capitalized interest costs   6,719      
Financing costs   642      
Financing costs paid   642      
Oberland Facility | LIBOR          
Debt Instrument [Line Items]          
Additional interest floor rate 2.00%        
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