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PRIVATE PLACEMENT MEMORANDUM (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Proceeds from unsecured subordinated promissory notes | $ 1,035 | $ 0
Less debt issuance costs and discount Payment of commission and placement agent fees and related expenses | (155) | 0
Principal payments on promissory notes | (650) | 0
Non-cash activity |  |
Common stock issued to placement agent | (255) |
Obligation to issue common stock to private placement noteholders | (255) |
Amortization of issuance costs and debt discount | 511 |
Unsecured subordinated promissory notes, net of issuance and debt discount | 231 |
Current portion of unsecured subordinated promissory notes | (231) | $ 0
Long-term portion of unsecured subordinated promissory notes | $ 0 |

X
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