Quarterly report pursuant to Section 13 or 15(d)

2. Summary of Significant Accounting Policies (Tables)

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2. Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2015
Accounting Policies [Abstract]  
Antidilutive shares
  June 30, 2015   June 30, 2014  
Options 21,681,512   20,727,960  
Warrants 6,308,754   6,121,050  
Total 27,990,266   26,849,010