2. Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Antidilutive shares

	March 31, 2016		March 31, 2015
Options		23,184,256		21,761,512
Warrants		8,885,242		5,392,087
Common stock issuable upon conversion of notes payable		3,370,400		–
Total		35,439,898		27,153,599