Annual report pursuant to Section 13 and 15(d)

Debt - Summary of Debt Obligations (Details)

v3.21.1
Debt - Summary of Debt Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Total debt $ 10,071 $ 1,105
Debt discount - warrants (2020 Convertible Notes) (1,029) 0
Debt discount - issuance costs (2020 Convertible Notes) (650) 0
Less: current maturities of long-term debt (4,435) 0
Less: related-party debt (195) (195)
Long-term debt 3,762 910
Series A Note    
Debt Instrument [Line Items]    
Total debt 2,481 0
Series B Note    
Debt Instrument [Line Items]    
Total debt 3,585 0
Paycheck Protection Program Loan    
Debt Instrument [Line Items]    
Total debt 2,850 0
Convertible notes    
Debt Instrument [Line Items]    
Total debt 250 250
Promissory Notes    
Debt Instrument [Line Items]    
Total debt $ 905 $ 855