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OTHER ASSETS (Details Narrative) $ in Thousands | Jan. 31, 2012 USD ($) Number | Dec. 31, 2011 USD ($) Number | Jun. 30, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Other current assets |  |  | $ 600 |
Right of use assets |  |  | $ 1,900 | $ 2,200
Notes Receivable - Developer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Principal amount | $ 300 | $ 300 |  |
Number of promissory notes | Number | 2 | 2 |  |
Accrued interest rate (in percent) | 4.50% | 4.50% |  |

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