2. Summary of Significant Accounting Policies (Details) - shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Total shares that would have been anti-dilutive	39,852,940	25,783,883
Options [Member]
Total shares that would have been anti-dilutive	23,624,256	21,706,512
Warrants [Member]
Total shares that would have been anti-dilutive	12,451,892	3,677,704
Convertible Notes [Member]
Total shares that would have been anti-dilutive	3,776,792	399,667