XML 34 R19.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2017
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, 2016  1,954,891  $0.19  2017 - 2019
 Issued  2,566,367            0.40  2019 - 2020
            
 Balance at June 30, 2017  4,521,258   0.31 2017 - 2020
Summary of significant assumptions used to determine fair values of options issued using Black-Scholes option-pricing model

 Expected volatility  127% - 215% 
 Risk free interest rate  1.24% - 2.14% 
 Expected dividend yield  - 
 Expected term (in years)  1.2 - 8.3 
 Weighted average grant date fair value  $0.12 - 0.30
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, 2016  10,700,273 
 Issued  500,000 
      
 Balance at June 30, 2017  11,200,273
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  1.49%
 Expected stock price volatility  216.7%
 Expected dividend payout  — 
 Expected option life-years  3 years 
 Weighted average grant date fair value $0.24 
 Forfeiture rate  0%
Summary of outstanding service-based options exercise price
 
Exercise Price Number of
Options		  Weighted Average Remaining Contractual Life 
        
 $0.10  1,380,273   1 year 
 $0.20 - $0.25  8,620,000   5 years 
 $0.40  1,200,000   5 years 
 Total  11,200,273