Post-effective amendment to a registration statement that is not immediately effective upon filing

Stock-Based Compensation (Details)

v3.22.1
Stock-Based Compensation (Details) - USD ($)
12 Months Ended
Sep. 29, 2021
Dec. 31, 2021
Dec. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Average exercise price per share   $ 0.63 $ 0.44
Number of shares awarded   29,420  
Stock Compensation Expense   $ 1,349,000 $ 721,000
Selling, General and Administrative Expenses [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Stock Compensation Expense   $ 1,297 $ 721
Restricted Stock Units (RSUs) [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
Unrecognized compensation expense expected to be recognized over the weighted average period   2 years 9 months 3 days  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   $ 1,610  
Unrecognized compensation expense   $ 684  
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  
Average exercise price per share   $ 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%    
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  
Number of shares awarded   1,070,812  
Number of shares remain available for issuance   6,550,589  
Weighted-average grant-date fair value per stock option granted   $ 0.17 $ 0.18
Unrecognized compensation expense   $ 64,000  
Unrecognized compensation expense expected to be recognized over the weighted average period   1 year 9 months 3 days  
Number of shares available for purchase   895,721  
Number of shares purchased   0