7. Share-based Compensation (Details 2) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	$ 50,925	$ 53,242	$ 97,613	$ 131,870
ResearchAndDevelopmentExpenseMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	7,119	7,693	13,487	18,126
SellingAndMarketingExpenseMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	210	663	210	1,525
GeneralAndAdministrativeExpenseMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	38,523	42,406	103,099	75,822
CostOfSalesMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	$ 5,073	$ 2,480	$ 8,094	$ 9,120