Quarterly report pursuant to Section 13 or 15(d)

Borrowing Arrangements - Outstanding debt obligations (Details)

v3.21.2
Borrowing Arrangements - Outstanding debt obligations (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Long-term debt, including current portion $ 127 $ 10,568
Less: current portion (39) (8,332)
Long-term debt 88 2,236
Dutch Landlord Loan    
Debt Instrument [Line Items]    
Long-term debt, including current portion 127 163
Term Loan    
Debt Instrument [Line Items]    
Long-term debt, including current portion 0 3,423
Convertible Promissory Notes    
Debt Instrument [Line Items]    
Long-term debt, including current portion 0 5,000
PPP Loan    
Debt Instrument [Line Items]    
Long-term debt, including current portion $ 0 $ 1,982