Quarterly report pursuant to Section 13 or 15(d)

LEASES (Details)

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LEASES (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2021
USD ($)
agreement
lease
Dec. 31, 2020
USD ($)
Leases    
Right of use assets $ 3,702,000 $ 1,810,000
Total lease liability 4,887,000 3,000,000.0
Impairments $ 0 $ 0
Number of real estate properties leased. | lease 5  
Number of leases for which lease term is extended. | lease 6  
Number of service agreements contained embedded lease | agreement 2  
Acquisition of EnvisionTEC    
Leases    
Increase in company's right of use asset $ 1,800,000