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FAIR VALUE (Tables) | 6 Months Ended
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Jun. 30, 2019
FAIR VALUE [Abstract] |
Schedule of Changes in Fair Value of Liability |
Dollars in Thousands |  |
|  | Three Months Ended June 30, 2019
|  | 2016 Warrant |  | Bridge Note |  | Total Warrant
|  | Liability |  | Warrant Liabilities |  | Liabilities
Beginning balance at April 1 |  | $ | 93 |  | $ | 799 |  | $ | 892
Additions: |  |  | – |  |  | 1,858 |  |  | 1,858
Total (gains) losses: |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | (7) |  |  | 829 |  |  | 822
Modification recognized in earnings |  |  | – |  |  | 1,128 |  |  | 1,128
Deductions – warrant exercises |  |  | – |  |  | (2,364) |  |  | (2,364)
Balance at June 30 |  | $ | 86 |  | $ | 2,250 |  | $ | 2,336
|  | Three Months Ended June 30, 2018
|  | 2016 Warrant |  | Bridge Note |  | Total Warrant
|  | Liability |  | Warrant Liabilities |  | Liabilities
Beginning balance at April 1 |  | $ | 124 |  | $ | – |  | $ | 124
Additions: |  |  | – |  |  | 1,205 |  |  | 1,205
Total gains: |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | – |  |  | (323) |  |  | (323)
Balance at June 30 |  | $ | 124 |  | $ | 882 |  | $ | 1,006
Dollars in Thousands |  |  |
|  | Six Months Ended June 30, 2019 |
|  | 2016 Warrant |  | Bridge Note |  | Total Warrant |
|  | Liability |  | Warrant Liabilities |  | Liabilities |
Beginning balance at January 1 |  | $ | 116 |  | $ | 1,016 |  | $ | 1,132 |
Additions: |  |  | – |  |  | 1,858 |  |  | 1,858 |
Total (gains) losses: |  |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | (30) |  |  | 612 |  |  | 582 |
Modification recognized in earnings |  |  | – |  |  | 1,128 |  |  | 1,128 |
Deductions – warrant exercises |  |  | – |  |  | (2,364) |  |  | (2,364) |
Balance at June 30 |  | $ | 86 |  | $ | 2,250 |  | $ | 2,336 |
|  | Six Months Ended June 30, 2018 |
|  | 2016 Warrant |  | Bridge Note |  | Total Warrant |
|  | Liability |  | Warrant Liabilities |  | Liabilities |
Beginning balance at January 1 |  | $ | 841 |  | $ | – |  | $ | 841 |
Additions: |  |  | – |  |  | 1,205 |  |  | 1,205 |
Total gains: |  |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | (261) |  |  | (323) |  |  | (584) |
Deductions – warrant liability settlement |  |  | (456) |  |  | – |  |  | (456) |
Balance at June 30 |  | $ | 124 |  | $ | 882 |  | $ | 1,006 |
Schedule of Change in the Fair Value of the Derivative Liabilities |
(Dollars in thousands) |  | Three Months Ended June 30, 2019
|  | Bridge Notes |  |  |  |  |  |
|  | Redemption |  | Conversion |  | Total Derivative
|  | Feature |  | Option |  | Liabilities
Beginning balance at April 1 |  | $ | — |  | $ | — |  | $ | —
Deductions: |  |  | (438) |  |  | — |  |  | (438)
Total loss: |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | 438 |  |  | — |  |  | 438
Balance at June 30 |  | $ | — |  | $ | — |  | $ | —
|  |  | Three Months Ended June 30, 2018
|  | Bridge Notes |  |  |  |  |  |
|  | Redemption |  | Conversion |  | Total Derivative
|  | Feature |  | Option |  | Liabilities
Beginning balance at April 1 |  | $ | — |  | $ | — |  | $ | —
Additions: |  |  | 142 |  |  | — |  |  | 142
Total loss: |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | 1 |  |  | — |  |  | 1
Balance at June 30 |  | $ | 143 |  | $ | — |  | $ | 143
|  | Six Months Ended June 30, 2019
|  | Bridge Notes |  |  |  |  |  |
|  | Redemption |  | Conversion |  | Total Derivative
|  | Feature |  | Option |  | Liabilities
Beginning balance at January 1 |  | $ | 30 |  | $ | 32 |  | $ | 62
Deductions: |  |  | (438) |  |  | (39) |  |  | (477)
Total loss: |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | 408 |  |  | 7 |  |  | 415
Balance at June 30 |  | $ | — |  | $ | — |  | $ | —
|  | Six Months Ended June 30, 2018
|  | Bridge Notes |  |  |  |  |  |
|  | Redemption |  | Conversion |  | Total Derivative
|  | Feature |  | Option |  | Liabilities
Beginning balance at January 1 |  | $ | — |  | $ | — |  | $ | —
Additions: |  |  | 142 |  |  | — |  |  | 142
Total loss: |  |  |  |  |  |  |  |  |
Revaluation recognized in earnings |  |  | 1 |  |  | — |  |  | 1
Balance at June 30 |  | $ | 143 |  | $ | — |  | $ | 143

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