Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Summary of Significant Accounting Policies - Schedule of Customer Concentration Risk Percentage (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Top Five Customers [Member] | Revenue [Member]      
Concentration credit risk percentage 73.00% 40.00%  
Top Five Customers [Member] | Accounts Receivable [Member]      
Concentration credit risk percentage 77.00%   54.00%
Federal Agencies [Member] | Revenue [Member]      
Concentration credit risk percentage 18.00% 4.00%  
Federal Agencies [Member] | Accounts Receivable [Member]      
Concentration credit risk percentage 18.00%   5.00%