XML 32 R23.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2016
Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of outstanding service-based options

 

   Number of Shares  Weighted Average Exercise Price  Year of 
Expiration
 
           
 Balance at December 31, 2014  3,772,720   0.29   2015 - 2016 
 Expired  (2,022,720)  0.40   2015 
              
 Balance at December 31, 2015  1,750,000   0.16   2016 - 2017 
 Issued  454,891   0.42   2018 - 2019 
 Expired  (250,000)  0.40   2016 
              
 Balance at December 31, 2016  1,954,981   0.19   2017 - 2019 
Summary of significant assumptions used to determine fair values of options issued using Black-Scholes option-pricing model
   2016  2015 
        
 Expected volatility  225%  50%
 Risk free interest rate  1%  2%
 Expected dividend yield  -   - 
 Expected option term (in years)  2 - 3   1 - 5 
 Weighted average grant date fair value $0.23  $0.03 
Service-Based Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of outstanding service-based options

   Number of
Options
 
 Balance at December 31, 2014  10,435,000 
 Cancelled  (200,000)
 Issued  790,273 
      
 Balance at December 31, 2015  11,025,273 
 Exercised  300,000 
 Expired  50,000 
 Cancelled  (250,000)
 Issued  275,000 
      
 Balance at December 31, 2016  10,700,273 
Summary of significant assumptions used to determine fair values of options issued using Black-Scholes option-pricing model

 Significant assumptions:   
 Risk-free interest rate at grant date  0.71% - 1.88%
 Expected stock price volatility  217.4% - 248.4%
 Expected dividend payout   
 Expected option life-years  2 to 3  years 
 Weighted average grant date fair value $0.22 
 Forfeiture rate  0%
Summary of outstanding service-based options exercise price

 Significant assumptions:   
 Risk-free interest rate at grant date  0.71% - 1.88%
 Expected stock price volatility  217.4% - 248.4%
 Expected dividend payout   
 Expected option life-years  2 to 3  years 
 Weighted average grant date fair value $0.22 
 Forfeiture rate  0%