11. Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Common Stock Warrants

Balance, December 31, 2012	1,934,667		$	.25 - $4.50
Warrants issued	629,740		$	1.20-$1.60
Warrants exercised	(25,000	)	$	1.20
Warrants expired	(50,000	)	$	4.50
Balance, December 31, 2013	2,489,407		$	0.25-$4.50
Warrants exercised	(310,625	)	$	1.20-$1.60
Warrants expired	(1,451,865	)
Balance, December 31, 2014	726,917		$	0.25-$4.50

Warrants Maturity

Year ending December 31:
2015	476,917
Thereafter	250,000
	726,917