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SHAREHOLDERS' EQUITY (Details Textual) - USD ($) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 04, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2010 | Dec. 31, 2001
Class of Stock [Line Items] |  |  |  |  |  |
Outstanding (in shares) |  | 450,000 | 613,000 | 615,000 |  |
Unrecognized compensation cost |  | $ 434,000 |  |  |  |
Allocated Share-based Compensation Expense | $ 108,000 | $ 141,000 | $ 109,000 | $ 144,000 |  |
Grant date weighted-average fair value, granted (in dollars per share) |  | $ 1.54 | $ 1.45 | $ 1.50 |  |
Options exercised in period (in shares) |  | 16,000 | 0 | 4,000 |  |
Proceeds from stock options exercised |  | $ 42,000 | $ 0 | $ 6,000 |  |
Number of shares authorized to be repurchased (in shares) |  |  |  |  |  | 1,000,000
Remaining number of shares authorized to be repurchased (in shares) |  | 72,000 |  |  |  |
Restricted Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shares vested in period (in shares) |  | 309,000 |  |  |  |
Performance Share Award Agreement |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Amount of nonvested options (in shares) |  | 129,000 |  |  |  |
Share-based Compensation Award, Tranche One |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Options exercised in period (in shares) |  | 16,000 |  | 2,000 |  |
Non Vested Shares |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Period for recognition |  | 2 years |  |  |  |
Unrecognized compensation cost related to non-vested shares |  |  | $ 24,000 |  |  |
Employee |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shares issued for services (in shares) |  | 10,000 |  |  |  |
Incentive Compensation Plan |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shares reserved for future issuance (in shares) |  |  |  |  | 1,630,000 |
Remaining shares available for grant (in shares) |  | 411,000 |  |  |  |
Provision for reduction of reserved shares (in shares) |  |  |  |  | 1.59 |
Shares purchased for award (in shares) |  | 2,000 |  |  |  |
Number of shares available for grant (in shares) |  | 312,000 |  |  |  |
Outstanding (in shares) |  | 83,000 |  |  |  |
Award vesting period |  | 5 years |  |  |  |
Employee benefits and share-based compensation |  | $ 10,000 |  |  |  |
Offsetting tax benefit |  | 2,000 |  |  |  |
Unrecognized compensation cost |  | $ 5,000 |  |  |  |
Period for recognition |  | 6 months |  |  |  |
Restricted stock units (in shares) |  | 4,000 | 4,000 | 4,000 |  |
Fair value of options vested in period |  | $ 11,000 | $ 11,000 | $ 15,000 |  |
Incentive Compensation Plan | Restricted Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Options granted in period (in shares) | 161,766 |  |  |  |  |
Incentive Compensation Plan | Non Employee Directors |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares available for grant (in shares) |  | 500 |  |  |  |
Incentive Compensation Plan | Non Employee Directors and Corporate Secretary |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares available for grant (in shares) |  | 41,000 |  |  |  |
Retainer Fees |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Employee benefits and share-based compensation |  | $ 80,000 |  |  |  |
Retainer Fees | Incentive Compensation Plan | Non Employee Directors |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares available for grant (in shares) |  | 261,000 |  |  |  |

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