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v3.19.1

Segment Reporting - Schedule of Segment Reporting Information (Details) (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Net revenues | $ 49,539 | $ 49,769
Assets of disposal group including discontinued operation including not held for sale | 306 | 365
Debt issuance costs | 80 | 115
Income tax benefit | 936 | 1,285
Tax Cuts and Jobs Acts [Member] |  |
Income tax benefit | 1,235 | 1,695
M&EC [Member] |  |
Net gain from exchange offer | 1,596 |
Impairment of intangible assets | 672 |
Domestic Government [Member] |  |
Net revenues | 34,811 | 37,019
Sales Revenue [Member] | Customer Concentration Risk [Member] | Domestic Government [Member] |  |
Net revenues | $ 34,811 | $ 37,019
Concentration risk, percentage | 70.30% | 74.40%

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