Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.3
Long-Term Debt, Net of Debt Discount and Financing Fees - Narrative (Details)
3 Months Ended 9 Months Ended
Jun. 30, 2020
USD ($)
Sep. 30, 2023
USD ($)
letterOfCredit
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
letterOfCredit
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Jun. 30, 2021
USD ($)
Debt Instrument [Line Items]              
Interest capitalized   $ 1,043,000 $ 1,450,000 $ 5,240,000 $ 4,474,000    
Amortization of debt discount and deferred financing fees   224,000 225,000 666,000 667,000    
Restricted cash   $ 6,002,000   $ 6,002,000   $ 6,251,000  
Debt instrument, collateral number of letters of credit | letterOfCredit   2   2      
Restricted Cash              
Debt Instrument [Line Items]              
Collateral amount   $ 6,000,000   $ 6,000,000   6,000,000  
Standby Letters of Credit              
Debt Instrument [Line Items]              
Collateral amount           250,000  
Debt instrument, collateral, amount terminated   250,000   250,000      
Debt derivative liabilities              
Debt Instrument [Line Items]              
Debt derivative liabilities   $ 3,869,000   $ 3,869,000   $ 4,518,000  
Credit Facility              
Debt Instrument [Line Items]              
Long-term debt $ 35,000,000           $ 15,000,000
Period for which quarterly interest payments should be made 7 years            
Interest rate 7.50%            
Interest rate at period end   12.84%   12.84%      
Term of debt (in years) 7 years            
Threshold revenue achievement for payment of additional quarterly royalty $ 70,000,000            
Additional payment 1.00%            
Interest costs incurred   $ 0 49,000 $ 756,000 756,000    
Cash paid for interest   1,642,000 $ 1,249,000 4,776,000 $ 3,637,000    
Financing costs   $ 642,000   $ 642,000      
Credit Facility | Secured Overnight Financing Rate (SOFR)              
Debt Instrument [Line Items]              
Additional interest floor rate 2.00%