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LEASES (Details 2)
Sep. 30, 2021
Dec. 31, 2020
Operating Leases [Member]    
Weighted average remaining lease term (years) 2 years 4 months 24 days 2 years 7 months 6 days
Weighted average discount rate 6.37% 6.52%
Finance Leases [Member]    
Weighted average remaining lease term (years) 9 months 18 days 1 year 1 month 6 days
Weighted average discount rate 3.09% 3.95%