Registration of securities issued in business combination transactions

ACQUISITIONS (Details)

v3.21.2
ACQUISITIONS (Details)
1 Months Ended 12 Months Ended
Dec. 09, 2020
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Oct. 31, 2020
USD ($)
shares
Jul. 31, 2019
USD ($)
shares
Mar. 31, 2019
USD ($)
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Aug. 31, 2020
$ / shares
Aug. 20, 2020
shares
Jun. 30, 2020
USD ($)
Business Acquisition [Line Items]                      
Shares authorized | shares 550,000,000                    
Common stock, shares authorized | shares 500,000,000 500,000,000       500,000,000 500,000,000 500,000,000   366,366  
Common stock par value (in dollars per share) | $ / shares $ 0.0001 $ 0.0001       $ 0.0001 $ 0.0001 $ 0.0001 $ 0.0001    
Preferred stock, shares authorized | shares 50,000,000 50,000,000       50,000,000 50,000,000 50,000,000      
Preferred stock par value (in dollars per share) | $ / shares $ 0.0001 $ 0.0001       $ 0.0001 $ 0.0001 $ 0.0001      
Intangible asset excluding goodwill   $ 9,102,000       $ 9,102,000 $ 2,994,000 $ 178,860,000      
Vesting period           1 year          
Goodwill   2,252,000       $ 2,252,000 $ 2,252,000 $ 251,060,000     $ 2,300,000
Figur Machine Tools LLC.                      
Business Acquisition [Line Items]                      
Intangible asset excluding goodwill   $ 3,500,000       $ 3,500,000          
Forust Corporation                      
Business Acquisition [Line Items]                      
Intangible asset excluding goodwill     $ 2,500,000                
Payments to Acquire Productive Assets     2,000,000.0                
Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable     $ 500,000                
Asset Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares     61,061                
Asset Acquisition, Payment made at Closing     $ 1,800,000                
Additional payment     $ 200,000                
Vesting period     2 years                
Restricted Stock awards                      
Business Acquisition [Line Items]                      
Vesting period             4 years        
Preferred Stock                      
Business Acquisition [Line Items]                      
Preferred stock, shares authorized | shares   50,000,000       50,000,000          
Trine                      
Business Acquisition [Line Items]                      
Exchange ratio 1.22122                    
Shares issued in PIPE | shares 27,497,500                    
Business acquisition, share price | $ / shares $ 12.50                    
Cash - PIPE financing           $ 274,975,000          
Trine | Business Combination Subscription Agreement                      
Business Acquisition [Line Items]                      
Shares issued in PIPE | shares 27,497,500                    
Business acquisition, share price | $ / shares $ 10.00                    
Cash - PIPE financing $ 275,000,000                    
Figur Machine Tools LLC.                      
Business Acquisition [Line Items]                      
Purchase price   $ 3,500,000                  
Forust Corporation                      
Business Acquisition [Line Items]                      
Purchase consideration     $ 2,500,000                
Make Composites, Inc.                      
Business Acquisition [Line Items]                      
Purchase consideration       $ 5,400,000              
Issuance of Common Stock for acquisitions (in shares) | shares       873,203              
Goodwill       $ 1,900,000              
Acquired technology       3,200,000              
Acquired tangible assets       300,000              
Amount of gain on its original non controlling investment       1,400,000              
Make Composites, Inc. | General and administrative expenses                      
Business Acquisition [Line Items]                      
Transaction costs       $ 100,000              
addLEAP AB                      
Business Acquisition [Line Items]                      
Goodwill         $ 300,000            
Acquired technology         100,000            
Payment to acquire business         $ 400,000            
addLEAP AB | Restricted Stock awards                      
Business Acquisition [Line Items]                      
Issuance of Common Stock for acquisitions (in shares) | shares         74,843            
addLEAP AB | General and administrative expenses                      
Business Acquisition [Line Items]                      
Transaction costs         $ 100,000