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SHAREHOLDERS' EQUITY - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
STOCK BASED COMPENSATION |  |  |  |
Stock options granted (in shares) |  | 95,000 | 510,000 |
Exercise price of options granted (in dollars per share) |  | $ 12.21 | $ 12.24 |
Exercisable period of options | 2 years 7 months 6 days |  |  |
Shares |  |  |  |
Balance at the beginning of the period (in shares) | 616,958 | 701,000 | 527,000 |
Granted (in shares) |  | 95,000 | 510,000 |
Shares of common stock issued upon exercise of stock options |  |  | 14,000 |
Forfeited (in shares) | (159,000) | (159,000) | (197,000) |
Expired (in shares) | (10,000) | (20,000) | (125,000) |
Balance at the end of the period (in shares) | 447,787 | 616,958 | 701,000 | 527,000
Exercisable at the end of the period (in shares) | 321,000 |  |  |
Weighted Average Exercise Price |  |  |  |
Balance at the beginning of the period (in dollars per share) | $ 13.43 | $ 15.51 | $ 20.02 |
Granted (in dollars per share) |  | 12.21 | 12.24 |
Weighted average exercise price of stock options (in dollars per share) |  |  | $ 10.20 |
Proceeds from exercise of stock options | $ 4 |  | $ 138 |
Forfeited (in dollars per share) | $ 12.27 | 14.56 | $ 21.79 |
Expired (in dollars per share) | 27.80 | 71.00 | 11.85 |
Balance at the end of the period (in dollars per share) | 13.43 | $ 13.43 | $ 15.51 | $ 20.02
Exercisable (in dollars per share) | $ 13.81 |  |  |
Weighted Average Remaining Contractual Life |  |  |  |
Outstanding at the end of the period | 2 years 7 months 6 days | 4 years 2 months 12 days | 4 years 2 months 12 days | 3 years
Exercisable period of options | 2 years 7 months 6 days |  |  |
Intrinsic Value |  |  |  |
Outstanding at the beginning of the period (in dollars) | $ 53 | $ 53 | $ 364 |
Exercised (in dollars) |  | 10 | 10 |
Forfeited (in dollars) | $ 2 | 2 | 2 |
Outstanding at the end of the period (in dollars) |  | $ 53 | $ 53 | $ 364
Granted (in shares) |  | 95,000 | 510,000 |
Equity Incentive Plan |  |  |  |
STOCK BASED COMPENSATION |  |  |  |
Number of common stock reserved for issuance | 1,750,000 |  |  |
Maximum number of shares that may be subject to grants of options to an individual in a calendar year | 1,000,000 |  |  |
Employees and Directors [Member] |  |  |  |
STOCK BASED COMPENSATION |  |  |  |
Stock options granted (in shares) |  | 100,000 |  |
Exercise price of options granted (in dollars per share) |  | $ 12.20 |  |
Shares |  |  |  |
Granted (in shares) |  | 100,000 |  |
Weighted Average Exercise Price |  |  |  |
Granted (in dollars per share) |  | $ 12.20 |  |
Intrinsic Value |  |  |  |
Granted (in shares) |  | 100,000 |  |
Vesting period of options |  | 3 years |  |
Exercise period of options |  | 5 years |  |
Common Stock [Member] |  |  |  |
Shares |  |  |  |
Shares of common stock issued upon exercise of stock options |  |  | 14,000 |

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