XML 45 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accounts Receivable and Significant Concentrations (Details 1)
9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Department of Homeland Security ("DHS") [Member] | Trade Accounts Receivable [Member]    
Concentration Risk [Line Items]    
As a % of Receivables 46.00% 47.00%