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LONG-TERM DEBT AND CONVERTIBLE NOTES (Department of Economic and Community Development) (Details) - USD ($) |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 08, 2018 | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from long-term debt |  |  |  | $ 300,000 | $ 315,000 |
Total debt |  | $ 1,689,000 |  | 1,689,000 |  | $ 3,416,000
Clinical research grants |  | 13,000 | $ 9,000 | 75,000 | $ 9,000 |
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 |  | 280,000 |  | 280,000 |  |
Deferred revenue |  | 25,000 |  | 25,000 |  |
Clinical research grants |  |  |  | 75,000 |  |
Term Loan [Member] | 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 |  | 29,000 |  |
Amortization of debt issuance cost |  | $ 1,000 |  | $ 2,000 |  |

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