Note 4 - Upsher-Smith Agreement (Detail) (USD $)	3 Months Ended		9 Months Ended		1 Months Ended	9 Months Ended		86 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Nov. 30, 2002 Upsher-Smith [Member] Maximum [Member] License Agreement Terms [Member]	Sep. 30, 2012 Upsher-Smith [Member]	Sep. 30, 2011 Upsher-Smith [Member]	Sep. 30, 2012 Upsher-Smith [Member]
Research and Development Arrangement, Contract to Perform for Others, Compensation Earned					$ 10,000,000
Sales Revenue, Goods, Net	2,049,320	1,292,689	3,989,080	2,586,177		3,989,000	2,586,000	48,878,000
Royalty Revenue	166,553	306,376	661,903	1,225,602		662,000	1,226,000	27,387,000
Accounts Receivable, Net						$ 932,000		$ 932,000