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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |
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Jul. 10, 2019 | Jun. 21, 2019 | Apr. 19, 2019 | Apr. 02, 2019 | Jan. 02, 2019 | Mar. 21, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  | 8.00% |  |  |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  | $ 284,000 |  | $ 284,000 |
Insurance deductible amount |  |  |  |  |  |  |  |  | $ 800,000 |  |
Settlement Agreements |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repayments of debt to service provider |  |  |  |  | $ 600,000 |  | $ 0 |  | 600,000 |  |
Outstanding debt |  |  |  |  | $ 1,500,000 |  | 0 |  | 0 |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  | 900,000 |  | 900,000 |  |
XIFIN, Inc. |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought |  |  |  |  |  |  |  |  | 270,000 |  |
Loss contingency accrual |  |  |  |  |  |  |  |  |  |  | $ 100,000
Litigation settlement in favor of other party, amount |  |  | $ 40,000 |  |  |  |  |  |  |  |
CPA Global |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought |  |  |  |  |  |  |  |  | 200,000 |  |
Loss contingency accrual |  |  |  |  |  |  | 100,000 |  | 100,000 |  | $ 100,000
Bio-Rad Laboratories |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Litigation settlement in favor of other party, amount |  |  |  |  |  | $ 39,000 |  |  |  |  |
Loss Contingency Accrual, Payments |  |  |  | $ 0 |  |  |  |  |  |  |
Jesse Cambell |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss contingency accrual |  |  |  |  |  |  | $ 300,000 |  | 300,000 |  |
Litigation settlement in favor of other party, amount |  | $ 1,950,000 |  |  |  |  |  |  |  |  |
Legal Fees | $ 500,000 |  |  |  |  |  |  |  |  |  |
Expected amount to be paid by insurance company |  |  |  |  |  |  |  |  | $ 1,700,000 |  |

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