Stockholders' Equity - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2017 |
Dec. 31, 2016 |
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| Accrued dividends payable | $ 571 | $ 531 |
| Series A Preferred Stock [Member] | ||
| Accrued dividends payable | 329 | 304 |
| Series A-1 Preferred Stock [Member] | ||
| Accrued dividends payable | $ 242 | $ 227 |
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- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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