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LONG-TERM DEBT (Department of Economic and Community Development) (Details) - USD ($) |  | 6 Months Ended |
--- | --- | --- | ---
Jan. 08, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |
Proceeds from long-term debt |  | $ 300,000 | $ 315,000 |
Total debt |  | 3,490,000 |  | $ 3,416,000
Department of Economic and Community Development (DECD) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Gross proceeds from grant received and loan | $ 400,000 |  |  |
Proceeds from grant | 100,000 |  |  |
Total debt |  | 286,000 |  |
Term loan | Department of Economic and Community Development (DECD) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from long-term debt | 300,000 |  |  |
Debt issuance costs, net | $ 31,000 | 29,000 |  |
Amortization of debt issuance cost |  | $ 1,000 |  |

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