7. Share-based Compensation (Details 2) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation	$ 124,862	$ 57,557	$ 158,371	$ 109,176
Research and development costs
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation	19,414	9,351	26,358	17,486
Sales and marketing costs
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation	19,270	2,563	25,025	5,286
General and administrative costs
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation	57,677	39,111	65,450	65,276
Cost of product sales
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation	$ 28,501	$ 6,532	$ 41,538	$ 21,128