Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.21.2
Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]              
Average exercise price per share   $ 0.62 $ 0.59 $ 0.58 $ 0.62   $ 0.44
Number of shares awarded   0 0 29,420      
2010 Stock Plan [Member]              
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]              
Maximum number of shares authorized for issuance 16,942,546            
Percentage of exchange ratio used to determine the number of restricted stock units granted as right to receive         10.00%    
Aggregate number of options to purchase   4,901,207     4,901,207    
Average exercise price per share   $ 0.62     $ 0.62    
2010 Stock Plan [Member] | Legacy Shapeways Stock Option [Member]              
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]              
Percentage of recapitalization conversion ratio for conversion in to common stock 90.00%            
Percentage of recapitalization conversion ratio as divider for determining exercise price 90.00%            
2021 Equity Incentive Plan [Member]              
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]              
Maximum number of shares authorized for issuance   7,621,401     7,621,401    
Number of shares awarded         0    
Number of shares remain available for issuance   7,621,401     7,621,401    
Weighted-average grant-date fair value per stock option granted         $ 0.36 $ 0.50  
Unrecognized compensation expense   $ 193     $ 193    
Unrecognized compensation expense expected to be recognized over the weighted average period         1 year 9 months 18 days    
Number of shares available for purchase   895,721     895,721    
Number of shares purchased         0