13. Stock Options and Warrants (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Options by Exercise Price Range

Range of Exercise Prices		Number Outstanding		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Number Exercisable		Weighted Average Exercise Price
$	$.01 - 0.25		1,775,000	$	0.15		9.07		1,762,500	$	0.15
$	4.00		2,347,926	$	4.00		8.50		1,879,173	$	4.00
			4,122,926				8.74		3,641,673

Schedule of Stock Options Activity

	Stock Options			Weighted Average Exercise Price
Outstanding, December 31, 2012		4,747,926		$	1.48
Granted		—			—
Exercised		—			—
Expired/Cancelled		(625,000	)		0.16
Outstanding, June 30, 2013		4,122,926			2.34
Exercisable, June 30, 2013		3,641,673			2.14

Schedule of Stock Options Valuation Assumptions

	June 30, 2012
Significant assumptions (weighted-average):
Risk-free interest rate at grant date		0.35% to 1.61%
Expected stock price volatility		105%
Expected dividend payout		-
Expected option life (in years)		3.0 to 10.0
Expected forfeiture rate		-
Fair value per share of options granted	$	0.46

Summary of warrants outstanding

Range of Exercise Prices		Number Outstanding		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Number Exercisable		Weighted Average Exercise Price
$	0.15		1,200,000	$	0.15		3.64		1,200,000	$	0.15
$	0.33		3,071,542	$	0.33		2.86		3,071,542	$	0.33
$	0.45		2,566,664	$	0.45		4.41		2,566,664	$	0.45
$	0.75 - 0.86		10,780,000	$	0.75		3.60		10,780,000	$	0.75
$	1.00		92,500	$	1.00		1.74		92,500	$	1.00
$	1.58		45,000	$	1.58		8.75		45,000	$	1.58
$	2.00		2,529,200	$	2.00		3.60		2,529,200	$	2.00
$	2.45 - 2.60		800,000	$	2.51		3.51		800,000	$	2.51
$	3.00		750,000	$	3.00		3.46		750,000	$	3.00
$	3.20		350,000	$	3.20		3.43		350,000	$	3.20
$	3.75		100,000	$	3.75		3.64		100,000	$	3.75
			22,284,906				3.59		22,284,906

Summary for stock warrants

	Options and Warrants			Weighted Average Exercise Price
Outstanding, December 31, 2012		22,218,240		$	1.01
Granted		1,266,666			0.17
Exercised		—			—
Expired/Cancelled		(1,200,000	)		0.63
Outstanding, June 30, 2013		22,284,906			0.96
Exercisable, June 30, 2013		22,284,906			0.96