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Warrants (Tables)
12 Months Ended
Dec. 31, 2014
Warrants [Abstract]  
Summary of activity of outstanding common stock warrants

        Weighted 
     Weighted  Average 
     Average  Remaining 
  Number  Exercise  Contractual 
  of Shares  Price  Life 
          
Balance, December 31, 2012  1,188,041  $1.12   1.06 
Warrants granted  1,751,583   0.87   2.98 
Warrants expired  -   -   - 
Warrants cancelled  -   -   - 
Warrants exercised  -   -   - 
             
Balance, December 31, 2013  2,939,624   1.12   4.04 
Warrants granted  233,261   0.75   2.74 
Warrants expired  (7,500)  (0.32)  - 
Warrants cancelled  -   -   - 
Warrants exercised  -   -   - 
             
Balance, December 31, 2014  3,165,385  $0.96   2.15 
             
Exercisable, December 31, 2014  3,165,385  $0.96   2.15