Note 4 - Upsher-Smith Agreement (Detail) (USD $)	3 Months Ended		6 Months Ended		116 Months Ended	6 Months Ended		83 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Upsher-Smith [Member] Maximum [Member] License Agreement Terms [Member]	Jun. 30, 2012 Upsher-Smith [Member]	Jun. 30, 2011 Upsher-Smith [Member]	Jun. 30, 2012 Upsher-Smith [Member]
Research and Development Arrangement, Contract to Perform for Others, Compensation Earned					$ 10,000,000
Sales Revenue, Goods, Net	1,293,613	646,173	1,939,760	1,293,488		1,940,000	1,293,000	46,795,000
Royalty Revenue	146,606	405,029	495,350	919,226		495,000	919,000	27,221,000
Accounts Receivable, Net						$ 950,000		$ 950,000