Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Customer Concentration Risk Percentage (Details)

v3.8.0.1
Summary of Significant Accounting Policies - Summary of Customer Concentration Risk Percentage (Details)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Top Five Customers [Member] | Revenue [Member]    
Concentration as a percentage 37.00% 29.00%
Top Five Customers [Member] | Accounts Receivable [Member]    
Concentration as a percentage 85.00% 82.00%
Federal Agencies [Member] | Revenue [Member]    
Concentration as a percentage 14.00% 3.00%
Federal Agencies [Member] | Accounts Receivable [Member]    
Concentration as a percentage 1.00% 1.00%