Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS - Business Combination common stock issued (Details)

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ACQUISITIONS - Business Combination common stock issued (Details)
 1 Months Ended 12 Months Ended
Dec. 09, 2020
USD ($)
$ / shares
shares
Dec. 31, 2020
shares
Dec. 31, 2023
USD ($)
shares
Business Acquisition [Line Items]      
Number of trading days | $ 20    
Number of days window by fifth anniversary of business combination | $ 30    
Number of trading days not yet passed since the date of business combination | $     20
Tranche One      
Business Acquisition [Line Items]      
Trine Founder Shares 5,552,812    
Vesting percentage 75.00%    
Tranche Two      
Business Acquisition [Line Items]      
Trine Founder Shares 1,850,938    
Vesting percentage 25.00%    
Trine      
Business Acquisition [Line Items]      
BALANCE (in shares) 30,015,000 30,015,000  
Less: redemption of Trine shares   (26,049)  
Common stock of Trine   29,988,951  
Trine Founder Shares   5,552,812 7,403,750
Trine Director Shares   100,000  
Shares issued in PIPE financing   27,497,500  
Business Combination and PIPE financing shares   63,139,263  
Legacy Desktop Metal shares (1)   161,487,334  
BALANCE (in shares)   224,626,597  
Price per share | $ / shares $ 12.50