Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Long-term debt (Details)

v3.23.1
Debt - Summary of Long-term debt (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Finance leases $ 892 $ 411
Unamortized deferred issuance costs (2,989) (3,073)
Unamortized discount on debt (144,490) (148,801)
Total debt 157,857 150,359
Current portion of long-term debt 9,815 7,739
Long-term debt $ 148,042 142,620
PIPE Investment Obligation    
Debt Instrument [Line Items]    
Issued March 2022  
Maturity December 2025  
Convertible Debt $ 22,500 22,500
Equipment Financings    
Debt Instrument [Line Items]    
Long-term debt, gross [1] $ 823 859
Equipment Financings | Minimum    
Debt Instrument [Line Items]    
Interest Rate 6.25%  
Equipment Financings | Maximum    
Debt Instrument [Line Items]    
Interest Rate 6.50%  
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 $ 104,201 101,699
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 $ 31,897 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] Consists of equipment financing debt agreements with maturities through July 2028, annual interest rates ranging from 6.25% to 6.50%, and requiring monthly payments of interest and principal.

N/A - Not meaningful.