Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

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

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of each option grant was estimated on the date of the grant using the Black-Scholes option pricing model with the following assumptions:

	2012	2011
Risk-free interest rate	1.25% - 1.47%	1.49% - 2.90%
Expected life (years)	4.75	4.75 – 6.80
Expected volatility	133% - 135%	262% - 323%
Expected dividend yield	Zero	Zero
Expected forfeitures	Zero	Zero

Disclosure of Share-based Payment Awards [Table Text Block]

The following summarizes the changes in common stock options for the years ended December 31, 2012 and 2011:

	2012					2011
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Outstanding at beginning of year		3,141,198		$	1.65		728,246		$	0.89
Granted		1,040,000		$	2.04		2,520,000		$	1.88
Exercised		(31,750	)	$	0.61		(50,000	)	$	0.90
Expired		(1,250	)	$	1.40		(57,048	)	$	2.73
Forfeited		(250,000	)	$	1.83		—		$	—
Outstanding at end of year		3,898,198		$	1.75		3,141,198		$	1.65
Options exercisable at year end		1,298,198		$	1.39		791,198		$	1.08
Weighted-average fair value of options granted during the year				$	1.75				$	0.93

Schedule of Nonvested Option Activity [Table Text Block]

The following summarizes the changes in unvested common stock options for the years ending December 31, 2012 and 2011:

	Options			Weighted Average Grant Date Fair Value
Unvested at December 31, 2011		2,350,000		$	0.83
Granted		1,040,000		$	1.75
Vested		(540,000	)	$	0.87
Forfeited		(250,000	)	$	0.20
Unvested at December 31, 2012		2,600,000		$	1.23

	Options			Weighted Average Grant Date Fair Value
Unvested at December 31, 2010		97,500		$	0.29
Granted		2,520,000		$	0.93
Vested		(267,500	)	$	1.77
Unvested at December 31, 2011		2,350,000		$	0.83

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table summarizes information about all stock options outstanding at December 31, 2012:

Exercise price	Options Outstanding		Weighted Average Remaining Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Remaining Life (years)		Weighted Average Exercise Price
$ 0.08 to $ 0.15		80,000		3.75	$	0.12		50,000		3.65	$	0.12
$ 0.51 to $ 1.11		545,000		1.07	$	0.82		515,000		0.82	$	0.81
$ 1.83 to $ 1.97		2,130,000		7.00	$	1.87		705,000		6.63	$	1.86
$ 2.00 to $ 2.40		1,143,198		6.13	$	2.07		28,198		5.08	$	2.40
		3,898,198		5.85	$	1.75		1,298,198		4.18	$	1.39