Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 1)

v3.8.0.1
Stock-Based Compensation (Details 1) - Stock Option [Member] - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options, Beginning Balance 12,564,098  
Options, Expired (264,119)  
Options, Forfeited (111,464)  
Options, Ending Balance 12,188,515 12,564,098
Options, Exercisable 8,064,487  
Weighted Average Exercise Price, Beginning Balance $ 1.55  
Weighted Average Exercise Price, Expired 1.57  
Weighted Average Exercise Price, Forfeited 0.78  
Weighted Average Exercise Price, Ending Balance 1.55 $ 1.55
Weighted Average Exercise Price, Exercisable $ 1.93  
Weighted Average Remaining Contractual Life, Balance Outstanding 4 years 4 months 24 days 4 years 7 months 6 days
Weighted Average Remaining Contractual Life, Exercisable 3 years 5 months 5 days  
Aggregate Intrinsic Value, Ending Balance $ 0 $ 1,800
Aggregate Intrinsic Value, Exercisable 0  
Grant date fair value of options granted $ 0 $ 1,164,732
Weighted average grant date fair value $ 0 $ 0.37