Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details)

v3.6.0.2
Stockholders' Equity (Details) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Average risk-free interest rate 1.00% 1.90%
Average expected life- years 5 years 5 years 1 month 10 days
Expected volatility 91.00%  
Expected dividends 0.00% 0.00%
Stock option [Member]    
Closing price per share of common stock $ 3.34  
Average risk-free interest rate 0.83%  
Average expected life- years 3 years 4 months 17 days  
Expected volatility 92.61%  
Expected dividends 0.00%