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PRIVATE PLACEMENT MEMORANDUM (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Proceeds from unsecured subordinated promissory notes | $ 0 | $ 1,035
Less debt issuance costs and discount Payment of commission and placement agent fees and related expenses | 0 | (155)
Principal payments on promissory notes | (384) | (650)
Non-cash activity |  |
Current portion of unsecured subordinated promissory notes | 0 | $ (231)
Private Placement Memorandum [Member] |  |
Proceeds from unsecured subordinated promissory notes | 1,035 |
Less debt issuance costs and discount Payment of commission and placement agent fees and related expenses | (155) |
Principal payments on promissory notes | (1,035) |
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 | 665 |
Unsecured subordinated promissory notes, net of issuance and debt discount | 0 |
Current portion of unsecured subordinated promissory notes | 0 |
Long-term portion of unsecured subordinated promissory notes | $ 0 |

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