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INCOME TAXES (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Tax Disclosure [Line Items] |  |  |  |
Income tax expense (benefit) | $ 128,000 | $ 451,000 | $ (1,103,000) |
Federal statutory income tax rate, percent | 21.00% | 34.00% |  |
Income tax reconciliation change in net effect in tax rate |  | $ 1,546,000 |  |
Effective income tax rate reconciliation, foreign income tax rate differential, percent | 21.00% | 21.00% | 34.00% |
Unrecognized tax benefits | $ 259,000 | $ 87,000 | $ 0 | $ 0
State and local operating loss carryforwards | 2,096,000 |  |  |
Valuation allowance, deferred tax asset, increase (decrease) | (175,000) | $ 34,000 | $ (303,000) |
Amount accrued for income tax penalties and interest accrued | 6,000 |  |  |
Peru |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Income tax expense (benefit) | (104,000) |  |  |
Domestic Tax Authority |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
International operating loss carryforwards | 210,000 |  |  |
Foreign Tax Authority |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Domestic operating loss carryforwards | 3,762,000 |  |  |
State and Local Jurisdiction |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
State and local operating loss carryforwards | $ 199,000 |  |  |

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