Note 11 - Mitek Monovisc Agreement (Details) (Miltek MONOVISC Agreement [Member], USD $)	1 Months Ended	3 Months Ended
	Dec. 31, 2011	Jun. 30, 2014	Mar. 31, 2014
Miltek MONOVISC Agreement [Member]
Note 11 - Mitek Monovisc Agreement (Details) [Line Items]
Contract Term, Years	15 years
Deferred Revenue	$ 2,500,000
Deferred Revenue, Revenue Recognized			2,200,000
Revenue Recognition, Milestone Method, Revenue Recognized		$ 5,000,000	$ 17,500,000