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STOCK-BASED COMPENSATION (Details Narrative) - USD ($) |  |  |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 02, 2019 | Feb. 12, 2019 | Mar. 22, 2018 | Jun. 30, 2019 | Apr. 30, 2019 | Jan. 31, 2019 | Mar. 31, 2018 | Jan. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Restricted Stock Units (RSUs) [Member] | Board of Directors [Member] |  |  |  |  |  |  |  |  |  |
Restricted stock units granted |  |  |  | 2,725 | 6,677 | 75,350 |  | 58,578 |  |
Vesting period |  |  |  |  | 1 year | 1 year |  | 1 year |  |
Stock awards forfeited (shares) |  |  |  | 7,326 |  |  |  |  |  |
Stock forfeited |  |  |  | $ 47,000 |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | Board of Directors [Member] | April 2019 Awards [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | $ 15,000 |
Restricted Stock Units (RSUs) [Member] | Board of Directors [Member] | June 2019 Awards [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 7,000 |
Restricted Stock Units (RSUs) [Member] | Board of Directors [Member] | Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 380,000 | $ 415,000
Stock Awards [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Number of common shares granted |  |  |  |  |  |  | 68,764 | 5,130 |  |
Number of shares returned for employee's withholding taxes (shares) | 9,806 | 1,221 | 7,552 |  |  |  |  |  |  |
Value of shares returned for employee's withholding taxes | $ 64,000 | $ 7,893 | $ 62,000 |  |  |  |  |  |  |
Stock Awards [Member] | Employees [Member] | Tranche One [Member] |  |  |  |  |  |  |  |  |  |
Number of common shares granted |  |  |  |  | 4,950 |  |  |  |  |
Stock Awards [Member] | Employees [Member] | Tranche Two [Member] |  |  |  |  |  |  |  |  |  |
Number of common shares granted |  |  |  |  | 94,972 |  |  |  |  |
Stock Awards [Member] | Awards in 2016 [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Stock awards forfeited (shares) |  |  |  |  | 11,193 |  | 12,330 |  |  |
Stock Awards [Member] | Awards in 2017 [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Stock awards forfeited (shares) |  |  |  |  | 8,299 |  | 9,130 |  |  |
Stock Awards [Member] | Awards in 2018 [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Stock awards forfeited (shares) |  |  |  |  | 8,593 |  |  |  |  |
Stock Awards [Member] | Selling, General and Administrative Expenses [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  |  | 10,000
Stock Awards [Member] | Selling, General and Administrative Expenses [Member] | April 2019 Awards [Member] | Employees [Member] | Tranche One [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 6,000 |
Stock Awards [Member] | Selling, General and Administrative Expenses [Member] | April 2019 Awards [Member] | Employees [Member] | Tranche Two [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 69,000 |
Stock Awards [Member] | Selling, General and Administrative Expenses [Member] | March 2018 Awards [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 140,000 |
Stock Awards [Member] | Cost of Sales [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  |  | $ 36,000
Stock Awards [Member] | Cost of Sales [Member] | April 2019 Awards [Member] | Employees [Member] | Tranche One [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 26,000 |
Stock Awards [Member] | Cost of Sales [Member] | April 2019 Awards [Member] | Employees [Member] | Tranche Two [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 21,000 |
Stock Awards [Member] | Cost of Sales [Member] | March 2018 Awards [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | $ 27,000 |
Stock Option Plans [Member] |  |  |  |  |  |  |  |  |  |
Stock options exercised |  |  |  |  |  |  |  |  | 35,000 |
Fair value of shares on exercise date |  |  |  |  |  |  |  |  | $ 231,003 |
Shares received in exercise of options for exchange (shares) |  |  |  |  |  |  |  |  | 34,478 |

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