Consolidated Statements of Operations (unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues:
Net sales	$ 1,246	$ 5,882	$ 8,750	$ 11,774
Royalties	2,491,313	1,706,166	4,391,282	2,651,247
Licensing revenues	109,275	3,296,776	788,550	4,156,051
Consulting fees	0	0	0	46,667
Total Revenues	2,601,834	5,008,824	5,188,582	6,865,739
Costs and expenses:
Research and development	404,346	270,799	653,898	482,865
General and administrative	1,149,926	1,418,016	2,238,648	2,927,542
Total Cost and Expenses	1,554,272	1,688,815	2,892,546	3,410,407
Operating income	1,047,562	3,320,009	2,296,036	3,455,332
Other income (expense):
Interest income	9,771	16,688	19,264	33,248
Other income (expense)	0	14,479	0	14,479
Total other income (expense)	9,771	31,167	19,264	47,727
Income before expense for income tax	1,057,333	3,351,176	2,315,300	3,503,059
Income tax benefit (expense)	(390,651)	(781,835)	(906,228)	2,757,405
Net income	$ 666,682	$ 2,569,341	$ 1,409,072	$ 6,260,464
Basic net income per share (in dollars per share)	$ 0.11	$ 0.40	$ 0.22	$ 0.99
Diluted net income per share (in dollars per share)	$ 0.10	$ 0.36	$ 0.20	$ 0.87
Shares used in computation of basic net income per share (in shares)	6,343,356	6,354,135	6,339,930	6,324,168
Shares used in computation of diluted net income per share (in shares)	6,971,687	7,174,568	6,984,258	7,158,024