Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Debt Obligations (Details)

v3.21.1
Debt - Summary of Debt Obligations (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Total debt $ 15,076 $ 10,071
Debt discount - warrants (2020 Convertible Notes) 0 (1,029)
Debt discount - issuance costs (2020 Convertible Notes) (1,128) (650)
Less: current maturities of long-term debt (10,012) (4,435)
Less: related-party debt (195) (195)
Long-term debt 3,741 3,762
Series A Note    
Debt Instrument [Line Items]    
Total debt 0 2,481
Series B Note    
Debt Instrument [Line Items]    
Total debt 11,071 3,585
Paycheck Protection Program Loan    
Debt Instrument [Line Items]    
Total debt 2,850 2,850
Convertible notes    
Debt Instrument [Line Items]    
Total debt 250 250
Promissory notes    
Debt Instrument [Line Items]    
Total debt $ 905 $ 905