Condensed Consolidated Income Statement (unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Product revenues, net	$ 15,468	$ 2,651	$ 29,595	$ 32,394
Royalties	3,484,975	3,087,491	8,850,067	9,717,994
Licensing revenues	512,344	54,981	546,909	644,742
Total Revenues	4,012,787	3,145,123	9,426,571	10,395,130
Costs and expenses:
Research and development	240,093	346,768	909,129	1,111,686
General and administrative	1,650,315	1,059,854	4,387,134	3,914,590
Total Cost and Expenses	1,890,408	1,406,622	5,296,263	5,026,276
Operating income	2,122,379	1,738,501	4,130,308	5,368,854
Other income:
Interest income	8,121	7,134	22,444	19,510
Other income	0	0	1,150	0
Total other income	8,121	7,134	23,594	19,510
Income before expense for income tax	2,130,500	1,745,635	4,153,902	5,388,364
Income tax expense	(735,737)	(566,860)	(1,427,184)	(1,828,319)
Net income	$ 1,394,763	$ 1,178,775	$ 2,726,718	$ 3,560,045
Basic net income per share (in dollars per share)	$ 0.21	$ 0.19	$ 0.42	$ 0.56
Diluted net income per share (in dollars per share)	$ 0.20	$ 0.17	$ 0.39	$ 0.51
Shares used in computation of basic net income per share (in shares)	6,489,758	6,338,901	6,433,013	6,346,978
Shares used in computation of diluted net income per share (in shares)	7,074,154	6,924,363	7,039,225	6,916,485