2. Summary of Significant Accounting Policies (Details) - shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Total shares that would have been anti-dilutive	43,565,806	35,439,898
Options [Member]
Total shares that would have been anti-dilutive	29,974,256	23,184,256
Warrants [Member]
Total shares that would have been anti-dilutive	9,064,317	8,885,242
Convertible Notes [Member]
Total shares that would have been anti-dilutive	4,527,233	3,370,400