ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
ACCOUNTS PAYABLE AND ACCRUED LIABILITIES [Abstract]
Accounts payable - suppliers	$ 5,978,865	$ 5,727,781
Accrued commissions and royalties	870,627	807,708
Accrued payroll	475,072	277,908
Accrued vacation	530,773	417,238
Accrued bonuses	1,138,337	1,193,985
Accrued severance	0	511,681
Accrued expenses - other	1,188,814	1,106,489
TOTAL	$ 10,182,488	$ 10,042,790