Note 6 - License Agreement (Detail) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Mar. 06, 2012
License Agreement, Possible Extension	3 years	3 years
License Agreement, Extension Request, Term	90 days	90 days
License Fee, Cash (in Dollars)		$ 2,000,000
License Fee, Warrants		360,000
License Fee, Warrants, Exercise Price (in Dollars per share)		$ 10.63
Common Stock Shares Issued for Warrants Exercised			44,912
Impairment of Intangible Assets (Excluding Goodwill) (in Dollars)	$ 1,226,000	$ 1,226,000
Initial [Member]
License Agreement, Expiration Period	3 years	3 years
Additional [Member]
License Agreement, Expiration Period	180 days	180 days