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STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 225,098 $ 189,203 $ 568,825 $ 536,388
Non-cash compensation expense     $ 568,783 $ 536,388
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period 0 0 135,512 73,550
Non-cash compensation expense $ 147,902 $ 134,060 $ 432,345 $ 391,871
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period 166,428   166,428  
Performance Shares [Member] | Selling, General and Administrative Expenses [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 63,653 44,164 $ 112,102 115,906
Performance Shares [Member] | Cost of Sales [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 13,543 $ 10,979 $ 24,378 $ 28,611