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Accounts Receivable and Significant Concentrations (Details 1) - Trade Accounts Receivable [Member]
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Department of Homeland Security ("DHS") [Member]    
Concentration Risk [Line Items]    
As a % of Receivables 41.00% 51.00%
US Airforce [Member]    
Concentration Risk [Line Items]    
As a % of Receivables 0.00% 14.00%