Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 2)

v3.8.0.1
Stockholders' Equity (Details 2) - Warrant [Member] - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Warrants, Outstanding 4,331,106  
Number of Units, Granted 0  
Number of Warrants, Exercised (4,551)  
Number of Warrants, Outstanding 4,326,555 4,331,106
Nonvested at December 31, 2016 $ 6.62  
Weighted Average Exercise Price, Granted 0  
Weighted Average Grant Date Fair Value, Vested 0  
Nonvested at December 31, 2017 $ 6.62 $ 6.62
Weighted Average Remaining Contractual Life, Outstanding (in years) 3 years 8 months 1 day 4 years 8 months 1 day