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INCOME TAXES - Narrative (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Operating Loss Carryforwards [Line Items] |  |
Valuation allowance against U.S. deferred tax assets | $ 289,000 | $ 183,000
Net operating loss carryforwards | 3,600,000 |
U.S. |  |
Operating Loss Carryforwards [Line Items] |  |
Valuation allowance against U.S. deferred tax assets | 0 |
State |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforward that begin expiring in 2040 | 2,400,000 |
Foreign |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | $ 3,300,000 |

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