7. Share-based Compensation (Details 2) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	$ 57,134	$ 51,788	$ 154,747	$ 183,657
ResearchAndDevelopmentExpenseMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	6,954	6,620	20,441	24,746
SellingAndMarketingExpenseMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	630		840	1,525
GeneralAndAdministrativeExpenseMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	42,720	42,030	118,542	145,128
CostOfSalesMember
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share based compensation	$ 6,830	$ 3,138	$ 14,924	$ 12,258