Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.8.0.1
Summary of Significant Accounting Policies (Details Textual)
12 Months Ended
Dec. 31, 2017
USD ($)
segment
Customer
vendor
shares
Dec. 31, 2016
USD ($)
Customer
vendor
shares
Summary of Significant Accounting Policies (Textual)    
Number of operating segments | segment 1  
FDIC Insurance coverage $ 250,000  
Cash in excess of FDIC  
Security deposit as collateral with financial institution 0 $ 50,000
Provisions for contract losses 617,000 724,000
Research and development costs $ 2,040,000 $ 3,752,000
Unrecognized tax benefits, Description Less than a 50%.  
Options and warrants to purchase of common stock | shares 11,528,000 9,808,000
Minimum [Member]    
Summary of Significant Accounting Policies (Textual)    
Estimated useful lives 3 years  
Maximum [Member]    
Summary of Significant Accounting Policies (Textual)    
Estimated useful lives 10 years  
Accounts Receivable [Member]    
Summary of Significant Accounting Policies (Textual)    
Concentration risk, Percentage 100.00% 100.00%
Number of customers | Customer 2 2
Accounts Payable [Member]    
Summary of Significant Accounting Policies (Textual)    
Concentration risk, Percentage 53.00% 50.00%
Number of vendors | vendor 5 8