| Intangible Assets (Details Narrative) - USD ($) $ in Thousands | 3 Months Ended | |
|---|---|---|
| Mar. 31, 2019 | Mar. 31, 2018 | |
| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Amortization expense of intangible asset | $ 73 | $ 84 | 
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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- References No definition available. 
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