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LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017 | Oct. 31, 2017 | Aug. 17, 2017 | Jun. 29, 2017
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Total debt | $ 516,000 | $ 3,416,000 |  |  |
Current portion of long-term debt | (263,000) | (587,000) |  |  |
Long-term debt, net of current maturities | 253,000 | 2,829,000 |  |  |
Department of Economic and Community Development (DECD) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 274,000 |  |  |  |
Debt issuance cost | (28,000) |  |  |  |
Webster Bank |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt |  | 0 |  |  |
Secured Debt Obligations [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt |  | 3,233,000 |  |  |
Financed Insurance Loan [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 204,000 | 183,000 |  |  |
Senior Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt |  |  |  |  | $ 3,584,968
Junior Notes [Memer] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt |  |  |  |  | $ 583,821
Convertible Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 4,377,000 |  | $ 41,666 | $ 143,041 |
Current portion of long-term debt | (4,377,000) |  |  |  |
Convertible Debt [Member] | Convertible promissory notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuance cost | (83,000) |  |  |  |
Convertible Debt [Member] | Convertible bridge notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuance cost | (1,111,000) |  |  |  |
Secured Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt |  | 3,200,000 |  |  |
Line of Credit [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | 0 | $ 0 |  |  |
Settlement Agreement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total debt | $ 66,000 |  |  |  |

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