Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)	6 Months Ended
	Jun. 30, 2012 years
Stock-based Compensation Schedule Of Share-based Payment Award, Stock Options, Valuation Assumptions 1	0.67%
Stock-based Compensation Schedule Of Share-based Payment Award, Stock Options, Valuation Assumptions 2	0.87%
Stock-based Compensation Schedule Of Share-based Payment Award, Stock Options, Valuation Assumptions 3	2.5
Stock-based Compensation Schedule Of Share-based Payment Award, Stock Options, Valuation Assumptions 4	3.25
Stock-based Compensation Schedule Of Share-based Payment Award, Stock Options, Valuation Assumptions 5	115.00%
Stock-based Compensation Schedule Of Share-based Payment Award, Stock Options, Valuation Assumptions 6	126.00%
Stock-based Compensation Schedule Of Share-based Payment Award, Stock Options, Valuation Assumptions 7	0.00%