Annual report pursuant to Section 13 and 15(d)

Segment Reporting - Schedule of Segment Reporting Information (Details) (Parenthetical)

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%