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

Basic and Diluted Net Loss per Share - Potentially Dilutive Securities Excluded from Computation (Details)

v3.22.1
Basic and Diluted Net Loss per Share - Potentially Dilutive Securities Excluded from Computation (Details) - shares
 12 Months Ended
Sep. 29, 2021
Dec. 31, 2021
Dec. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total potentially dilutive common share equivalents   38,307,572 169,970,755
JAWS Spitfire | Eligible Velo3D Equityholders      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of shares that the holders may receive (in shares) 10,879,074    
Maximum | JAWS Spitfire | Eligible Velo3D Equityholders      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of shares that the holders may receive (in shares) 21,758,148 21,758,148  
Redeemable convertible preferred stock      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total potentially dilutive common share equivalents   0 147,876,672
Convertible promissory note      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total potentially dilutive common share equivalents   0 0
Redeemable convertible preferred stock warrants      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total potentially dilutive common share equivalents   0 408,729
Common stock warrants      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total potentially dilutive common share equivalents   13,075,000 214,033
Stock options issued and outstanding      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total potentially dilutive common share equivalents   21,191,226 21,471,321
Restricted stock units issued and outstanding      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Total potentially dilutive common share equivalents   4,041,346 0