Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details)

v3.8.0.1
Stock Based Compensation (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Weighted Average Exercise Price    
Options exercisable $ 1.19  
Weighted Average Remaining Contractual Life (years)    
Beginning Balance 1 year 4 months 6 days  
Stock Option [Member]    
Number of Shares    
Beginning Balance 8,463,184 7,550,457
Grants 753,000 1,565,000
Expirations   (527,273)
Cancellations   (125,000)
Ending Balance 9,216,184 8,463,184
Options exercisable 8,378,684 7,688,184
Weighted Average Exercise Price    
Beginning Balance $ 1.26 $ 1.29
Grants 0.28 0.98
Expirations   1.02
Cancellations  
Ending Balance 1.18 1.26
Options exercisable $ 1.19 $ 1.27
Weighted Average Remaining Contractual Life (years)    
Beginning Balance 3 years 3 years 2 months 12 days
Grants 4 years 10 months 24 days 4 years 9 months 18 days
Ending Balance 2 years 1 month 6 days 3 years
Options exercisable 2 years 4 days 3 years
Aggregate Intrinsic Value    
Beginning Balance
Grants
Cancellations  
Ending Balance