Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue:
Product sales	$ 10,841,047	$ 4,623,130
Development revenue	1,098,374	2,388,403
Licensing revenue	50,701	883,009
Royalties	328,650	453,495
Total revenue	12,318,772	8,348,037
Cost of revenue:
Cost of product sales	6,247,556	1,957,573
Cost of development revenue	528,185	1,717,156
Total cost of revenue	6,775,741	3,674,729
Gross profit	5,543,031	4,673,308
Operating expenses:
Research and development	5,648,029	4,377,981
Selling, general and administrative	7,603,178	7,037,290
Total operating expenses	13,251,207	11,415,271
Operating loss	(7,708,176)	(6,741,963)
Other income (expense)	52,066	(45,711)
Net loss	$ (7,656,110)	$ (6,787,674)
Basic and diluted net loss per common share	$ (0.05)	$ (0.05)
Basic and diluted weighted average common shares outstanding	154,858,079	131,744,741