Annual report pursuant to Section 13 and 15(d)

ORGANIZATION, NATURE OF BUSINESS, AND RISK AND UNCERTAINTIES (Details)

v3.22.0.1
ORGANIZATION, NATURE OF BUSINESS, AND RISK AND UNCERTAINTIES (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Nov. 12, 2021
USD ($)
$ / shares
shares
Dec. 09, 2020
$ / shares
Dec. 31, 2021
$ / shares
Dec. 31, 2020
$ / shares
Aug. 31, 2020
$ / shares
Common stock par value (in dollars per share)   $ 0.0001 $ 0.0001 $ 0.0001 $ 0.0001
Number of months cash and Investments sufficient to fund operating and capital expenditure     12 months    
Trine          
Exchange ratio   1.22122      
ExOne Company          
Paid in cash | $ $ 201,399        
Number of incentive stock options granted | shares 86,020        
Weighted average exercise price of incentive stock options $ 4.47