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Significant Customers (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenue, net | $ 9,867 | $ 4,206 | $ 2,518
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer One [Member] |  |  |
Concentration risk, percentage | 61.70% | 66.60% | 60.00%
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer Two [Member] |  |  |
Concentration risk, percentage | 16.10% | 14.70% | 24.50%
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer Three [Member] |  |  |
Concentration risk, percentage | 11.10% | 10.30% |
Accounts Receivable [Member] | One Customer [Member] |  |  |
Concentration risk, percentage | 84.00% | 22.00% |

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