Quarterly report pursuant to Section 13 or 15(d)

Borrowing Arrangements - Paycheck protection program loan (Details)

v3.21.2
Borrowing Arrangements - Paycheck protection program loan (Details) - PPP Loan - USD ($)
$ in Thousands
9 Months Ended
May 04, 2020
Sep. 30, 2021
Sep. 30, 2020
Debt Instrument [Line Items]      
Amount of loan received $ 1,982    
Accrues interest at annual rate 1.00%    
Interest expense     $ 0
Percentage of loan amount is used for eligible payroll costs used to determine the loan proceeds eligible for forgiveness   75.00%  
Other Income [Member]      
Debt Instrument [Line Items]      
Principal and interest amount of loan forgiven   $ 2,000  
Shapeways Inc [Member]      
Debt Instrument [Line Items]      
Interest expense   $ 18