Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Assumed Stock Options (Details)

v3.22.2
STOCK BASED COMPENSATION - Assumed Stock Options (Details) - ExOne Company
Nov. 12, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of unvested stock options 86,020
Assumed Stock Options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of unvested stock options 86,020
Risk-free interest rate, Minimum 0.50%
Risk-free interest rate, Maximum 0.80%
Expected volatility, Minimum 57.20%
Expected volatility, Maximum 59.40%
Expected life, Minimum (in years) 1 year
Expected life, Maximum (in years) 2 years 9 months 18 days
Fair value of Common Stock | $ / shares $ 8.61