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SHARE-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
May 19, 2021 | Jan. 31, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock compensation expense |  |  | $ 324 | $ 121 | $ 647,000 | $ 307,000
Stock options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price |  |  | $ 1.66 |  | $ 1.66 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  | 315,620 |
Unrecognized compensation cost |  |  | $ 1,700 |  | $ 1,700 |
Weighted-average period of unrecognized compensation cost expected to be recognized |  |  |  |  | 2 years 3 months 18 days |
2015 Equity Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for future issuance (in shares) | 2,000,000 |  | 1,740,478 |  | 1,740,478 |
2015 Equity Incentive Plan | Restricted stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percentage of stock options | 0.167% |  |  |  |  |
Stock Based Awards Incentive Marker 2 Percentage | 10.00% |  |  |  |  |
2015 Equity Incentive Plan | Restricted stock | Share-based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares authorized for issuance | 31,512 |  |  |  |  |
Vesting period of remaining shares | 1 year |  |  |  |  |
Stock Based Awards Incentive Marker 1 Percentage | 12.00% |  |  |  |  |
2015 Equity Incentive Plan | Three Company Executives [Member] | Restricted stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 20,750 | 69,975 |  |  |  |

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