Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Long-term debt (Details)

v3.23.3
Debt - Summary of Long-term debt (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Finance leases [1] $ 5,437 $ 411
Unamortized deferred issuance costs (2,785) (3,073)
Unamortized discount on debt (134,312) (148,801)
Total debt 175,889 150,359
Current portion of long-term debt 11,632 7,739
Long-term debt $ 164,257 142,620
PIPE Investment Obligation    
Debt Instrument [Line Items]    
Issued March 2022  
Maturity December 2025  
Convertible Debt $ 18,750 22,500
Equipment Financings    
Debt Instrument [Line Items]    
Long-term debt, gross [2] $ 2,067 859
Equipment Financings | Minimum    
Debt Instrument [Line Items]    
Interest Rate 6.25%  
Equipment Financings | Maximum    
Debt Instrument [Line Items]    
Interest Rate 20.05%  
Convertible Notes due 2027    
Debt Instrument [Line Items]    
Issued October 2022  
Maturity October 2027  
Interest Rate 10.00%  
Interest Payable Quarterly  
Long-term debt, gross $ 109,491 101,699
Lockheed Martin Rollover Debt    
Debt Instrument [Line Items]    
Issued March 2021  
Maturity April 2026  
Interest Rate 9.25%  
Interest Payable Quarterly  
Long-term debt, gross $ 25,000 25,000
Beach Point Rollover Debt    
Debt Instrument [Line Items]    
Issued March 2021  
Maturity April 2026  
Interest Rate 11.25%  
Interest Payable Quarterly  
Long-term debt, gross $ 32,218 31,741
Francisco Partners Note Purchase Agreement    
Debt Instrument [Line Items]    
Issued November 2021  
Maturity April 2026  
Interest Rate 9.25%  
Interest Payable Quarterly  
Long-term debt, gross $ 120,023 $ 120,023
[1] Refer to Note 14 “Leases” for further discussion.
[2] Consists of equipment financing debt agreements, primarily entered into during 2023, with maturities through September 2030, annual interest rates ranging from 6.25% to 20.05%, and requiring monthly payments of interest and principal.