Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Debt (Details)

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Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Total debt $ 80,542 $ 78,558
Less: unamortized discounts and issuance costs 1,726 842
Total 78,816 77,716
Less: Short-term debt, including current portion of long-term debt 3,827 1,074
Total long-term debt, net $ 74,989 76,642
DSS PPP Loan    
Debt Instrument [Line Items]    
Effective interest rate 0.00%  
Total debt $ 0 1,058
Medium-term Notes | Adams Street Capital Agreement    
Debt Instrument [Line Items]    
Effective interest rate 7.58%  
Total debt $ 30,768 31,000
Medium-term Notes | Adams Street Delayed Draw Term Loan    
Debt Instrument [Line Items]    
Effective interest rate 7.58%  
Total debt $ 14,888 0
Medium-term Notes | Adams Street Incremental Term Loan    
Debt Instrument [Line Items]    
Effective interest rate 7.47%  
Total debt $ 31,840 0
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility    
Debt Instrument [Line Items]    
Effective interest rate 7.00%  
Total debt $ 0 0
Notes Payable to Banks | SVB Loan    
Debt Instrument [Line Items]    
Effective interest rate 0.00%  
Total debt $ 0 46,500
Notes Payable to Banks | D&O Financing Loan    
Debt Instrument [Line Items]    
Effective interest rate 1.75%  
Total debt $ 3,046 $ 0