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STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
May 31, 2021
Apr. 30, 2021
Jan. 31, 2021
Nov. 30, 2020
Oct. 31, 2020
Aug. 31, 2020
Feb. 28, 2020
Jan. 31, 2020
Dec. 31, 2020
Mar. 31, 2020
Jun. 30, 2020
Sep. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2016
Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Non-cash compensation expense                   $ 347,185 $ 536,388 $ 677,489 $ 828,286 $ 711,344 $ 730,564    
Performance Equity Plan 2009 [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                                 500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                         2,364        
LTIP 2016 [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                               600,000  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                         472,681        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized                 800,000                
Restricted Stock Units (RSUs) [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Stock compensation                         $ 828,000 711,000      
Grants in period 28,916 137,512 135,512 5,758 949 2,617   73,551                  
Forfeitures in period   33,915       66,242 10,000                    
Restricted Stock Units (RSUs) [Member] | Cost of Sales [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Non-cash compensation expense                         51,000 57,000      
Restricted Stock Units (RSUs) [Member] | Selling, General and Administrative Expenses [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Non-cash compensation expense                         231,000 122,000      
Restricted Stock Units (RSUs) [Member] | Employees and Officers [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Grants in period           84,383                      
Restricted Stock Units (RSUs) [Member] | Board of Directors [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Non-cash compensation expense                         546,000 532,000      
Restricted Stock Units (RSUs) [Member] | Employees and Officers [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Non-cash compensation expense                         $ 282,000 $ 179,000      
Performance Shares [Member]                                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Grants in period           9,346