Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Revenue:
Product sales	$ 10,036,812	$ 10,841,047
Development revenue	1,621,877	1,098,374
Licensing revenue	18,678	50,701
Royalties	330,092	328,650
Total revenue	12,007,459	12,318,772
Cost of revenue:
Cost of product sales	5,448,291	6,247,556
Cost of development revenue	771,475	528,185
Total cost of revenue	6,219,766	6,775,741
Gross profit	5,787,693	5,543,031
Operating expenses:
Research and development	3,086,281	5,648,029
Selling, general and administrative	7,467,255	7,603,178
Total operating expenses	10,553,536	13,251,207
Operating loss	(4,765,843)	(7,708,176)
Other income	29,926	52,066
Net loss	$ (4,735,917)	$ (7,656,110)
Basic and diluted net loss per common share	$ (0.03)	$ (0.05)
Basic and diluted weighted average common shares outstanding	155,215,040	154,858,079

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