Registration of securities issued in business combination transactions

LEASES (Details)

v3.21.2
LEASES (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
USD ($)
lease
Jun. 30, 2021
USD ($)
lease
agreement
Dec. 31, 2020
USD ($)
agreement
Dec. 31, 2019
USD ($)
Leases        
Right of use assets $ 4,816,000 $ 4,816,000 $ 1,810,000 $ 2,289,000
Total lease liability 5,942,000 5,942,000 3,025,000 3,800,000
Impairments $ 0 $ 0 $ 0 $ 0
Number of service agreements contained embedded lease | agreement   2 1  
Acquisition of EnvisionTEC        
Leases        
Increase in company's right of use asset   $ 1,800,000    
Number of real estate properties leased. | lease 5 5    
Number of leases for which lease term is extended. | lease 6 6    
Adaptive 3D Technologies Inc        
Leases        
Increase in company's right of use asset   $ 700,000    
Number of real estate properties leased. | lease 2 2    
Aerosint        
Leases        
Increase in company's right of use asset   $ 400,000    
Number of real estate properties leased. | lease 1 1    
Number of leases for which lease term is extended. | lease 3 3