15. Warrants (Details-Warrants Outstanding) - Warrants [Member] - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Shares
Warrants outstanding, beginning balance	9,133,375	9,463,375
Warrants expired	(585,000)	0
Warrants cancelled	0	(330,000)
Warrants granted	0	0
Warrants exercised	0	0
Warrants outstanding, ending balance	8,548,375	9,133,375
Warrants exercisable	8,548,375
Weighted Average Exercise Price
Weighted price, beginning balance	$ .92	$ .94
Weighted price, warrants expired	(.38)	0
Weighted price, warrants cancelled	0	(1.50)
Weighted price, warrants granted	0	0
Warrants outstanding, ending balance	.95	$ .92
Weighted price, warrants exercisable	$ .95