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INCOME TAXES (Details) - USD ($) $ in Thousands |  |  | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 01, 2018 | Dec. 31, 2017 | Dec. 31, 2017 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017 | Mar. 31, 2018
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  |  |  | 28.00% | 34.00% |
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability |  |  | $ (1,400) |  |  |  |
Valuation allowance |  |  |  |  |  | $ 3,300 | $ 1,800
Domestic Tax Authority [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 35.00% |  |  |  |  |
Other Tax Expense (Benefit) |  | $ 17 |  |  |  |  |
Operating loss carryover |  |  |  |  |  |  | 4,100
Domestic Tax Authority [Member] | Charitable Contributions [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Charitable contribution carryovers |  |  |  |  |  |  | 128
Expiring in Fiscal Year 2018 [Member] | Domestic Tax Authority [Member] | Charitable Contributions [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Charitable contribution carryovers |  |  |  |  |  |  | 66
Expiring in Fiscal Year 2020 [Member] | Domestic Tax Authority [Member] | Charitable Contributions [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Charitable contribution carryovers |  |  |  |  |  |  | 19
Expiring in Fiscal Year 2021 [Member] | Domestic Tax Authority [Member] | Charitable Contributions [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Charitable contribution carryovers |  |  |  |  |  |  | 5
Expiring in Fiscal Year 2019 [Member] | Domestic Tax Authority [Member] | Charitable Contributions [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Charitable contribution carryovers |  |  |  |  |  |  | 34
Expiring In Fiscal Year 2023 [Member] | Domestic Tax Authority [Member] | Charitable Contributions [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Charitable contribution carryovers |  |  |  |  |  |  | 4
Expiring in Fiscal Year 2035 [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Operating loss carryover |  |  |  |  |  |  | 1,400
Expiring in Fiscal Year 2036 [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Operating loss carryover |  |  |  |  |  |  | 2,700
Scenario, Forecast [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  |  | 21.00% | 28.00% |  |
Galileo [Member] | Expiring in Fiscal Year 2036 [Member] | Foreign Tax Authority [Member] |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |
Operating loss carryover |  |  |  |  |  |  | $ 88

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