12. Stockholder's Equity (Tables)

3 Months Ended

Mar. 31, 2014

Equity [Abstract]

Common Stock Warrant

	Number of Warrants			Exercise Prices
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		(125,000	)	$	1.20-$1.60
Balance, March 31, 2014		2,364,407		$	0.25 - $4.50

Warrants Maturity

2014	1,082,750	-
2015	1,031,657
Thereafter	250,000
	2,364,407