Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Agreement (Details)

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Long-Term Debt - Agreement (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 15, 2023
Mar. 31, 2024
Dec. 31, 2023
Long-term debt      
Current portion of long-term debt   $ 6,144 $ 5,543
Long-term debt   114,528 $ 118,518
Cash paid for interest   3,780  
Principal repayment   $ 3,616  
Common Stock Warrants, Exercise price of $35.00 per share      
Long-term debt      
Exercise price of warrants (in dollars per share)   $ 35.00 $ 35.00
Common Stock Warrants, Exercise price of $42.50 per share      
Long-term debt      
Exercise price of warrants (in dollars per share)   42.50 42.50
Common Stock Warrants, Exercise price of $50.00 per share      
Long-term debt      
Exercise price of warrants (in dollars per share)   $ 50.00 $ 50.00
Blue Owl Loan Agreement      
Long-term debt      
Maximum borrowing capacity $ 140,000    
Interest rate (as a percent) 9.875%    
Security interest as a percentage of equity of wholly owned subsidiary 100.00%    
Blue Owl Loan Agreement | Common Stock Warrants, Issued December 2023      
Long-term debt      
Fair value of warrants $ 1,500    
Blue Owl Loan Agreement | Common Stock Warrants, Exercise price of $35.00 per share      
Long-term debt      
Warrants to purchase shares of common stock 40,000    
Exercise price of warrants (in dollars per share) $ 35.00    
Blue Owl Loan Agreement | Common Stock Warrants, Exercise price of $42.50 per share      
Long-term debt      
Warrants to purchase shares of common stock 40,000    
Exercise price of warrants (in dollars per share) $ 42.50    
Blue Owl Loan Agreement | Common Stock Warrants, Exercise price of $50.00 per share      
Long-term debt      
Warrants to purchase shares of common stock 40,000    
Exercise price of warrants (in dollars per share) $ 50.00    
Blue Owl Loan Agreement, Initial term loan      
Long-term debt      
Maximum borrowing capacity $ 130,000    
Aggregate principal amount 130,000    
Proceeds from issuance of long-term debt, net 119,600    
Fees and lender expenses 4,100    
Amount deposited into reserve accounts to pay interest, administrative fees and operating expenses 6,300    
Debt issuance costs 600 $ 600  
Gross principal 130,000 $ 126,384 $ 130,000
Effective interest rate (as a percent)   11.05% 11.01%
Debt discount costs 5,300 $ 5,100  
Debt discount, allocated fees and lender expenses 3,800    
Current portion of long-term debt   6,144 $ 5,500
Long-term debt   114,528 118,500
Interest expense   3,551 $ 600
Semi-annual payment, principal and interest   7,400  
Cash paid for interest   3,800  
Principal repayment   3,616  
Blue Owl Loan Agreement, Initial term loan | Common Stock Warrants, Issued December 2023      
Long-term debt      
Fair value of warrants 1,500    
Blue Owl Loan Agreement, Delayed draw term loan      
Long-term debt      
Maximum borrowing capacity 10,000    
Proceeds from issuance of long-term debt   $ 0  
Allocated costs for the term loan commitment $ 300