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1. Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2014
Accounting Policies [Abstract]  
Schedule of antidilutive shares
   June 30, 2014   June 30, 2013 
Options   20,727,960    27,248,098 
Warrants   6,121,050    21,489,654 
Total   26,849,010    48,737,752