Warrants (Tables) (Warrant [Member])

12 Months Ended

Dec. 31, 2012

Warrant [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Significant assumptions used to measure the fair value of warrants

	2012			2011
Stock price	$	0.30		$	0.38
Term	2.84-5 Years			3.82 Years
Volatility		50	%		50	%
Risk-free interest rate		0.36-0.72	%		0.60	%
Exercise prices	$	0.25-0.45		$	0.25
Dividend yield		0.00	%		0.00	%
Delta		0.08			0.08
Up ratio		1.144			1.144
Down ratio		0.857			0.857
Up transition probability		0.500			0.500