XML 46 R36.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accounts Receivable and Significant Concentrations (Details 2)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Sales Revenue, Net [Member] | Department of Homeland Security ("DHS") [Member]        
Concentration Risk [Line Items]        
As a % of Revenues 60.00% 62.00% 60.00% 63.00%