CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue:
Product sales	$ 2,218,536	$ 1,151,978	$ 3,623,662	$ 2,478,030
Development revenue	716,258	497,195	1,772,718	1,302,442
Licensing revenue	118,789	1,043,845	485,026	1,879,918
Royalties	489,290	357,969	1,231,014	754,683
Total revenue	3,542,873	3,050,987	7,112,420	6,415,073
Cost of revenue:
Cost of product sales	1,001,610	592,365	1,713,407	1,248,825
Cost of development revenue	391,679	403,596	1,132,723	1,062,115
Total cost of revenue	1,393,289	995,961	2,846,130	2,310,940
Gross profit	2,149,584	2,055,026	4,266,290	4,104,133
Operating expenses:
Research and development	1,946,331	2,242,788	3,695,667	4,328,613
Sales, marketing and business development	523,073	241,278	811,867	571,799
General and administrative	1,276,575	1,121,957	2,766,681	2,339,589
Total Operating Expenses	3,745,979	3,606,023	7,274,215	7,240,001
Operating loss	(1,596,395)	(1,550,997)	(3,007,925)	(3,135,868)
Other income (expense)	42,298	(1,257)	73,195	(25,329)
Net loss	$ (1,554,097)	$ (1,552,254)	$ (2,934,730)	$ (3,161,197)
Basic and diluted net loss per common share (in dollars per share)	$ (0.02)	$ (0.02)	$ (0.03)	$ (0.04)
Basic and diluted weighted average common shares outstanding (in shares)	95,157,098	82,912,179	90,464,458	82,592,824