Stockholders' Equity - Schedule of Dividends Preferred Stock (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Preferred stock dividends | $ 80 | $ 80 |
| Series A Preferred Stock [Member] | ||
| Preferred stock dividends | 50 | 50 |
| Series A-1 Preferred Stock [Member] | ||
| Preferred stock dividends | $ 30 | $ 30 |
| X | ||||||||||
- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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