Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid for the Betimol Acquisition and the Fair Value of the Acquired Assets and Assume Liabilities (USD $)	1 Months Ended				0 Months Ended	6 Months Ended
	Apr. 17, 2014	Jun. 30, 2014 Licensing Agreements [Member] Betimol Acquisition [Member]	Apr. 17, 2014 Licensing Agreements [Member]	Jun. 30, 2014 Other Intangible Assets [Member] Betimol Acquisition [Member]	Jan. 02, 2014 Betimol Acquisition [Member]	Jun. 30, 2014 Betimol Acquisition [Member]
Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid for the Betimol Acquisition and the Fair Value of the Acquired Assets and Assume Liabilities [Line Items]
Consideration paid in cash at closing	$ 649,600				$ 7,500,000	$ 7,500,000
Purchase consideration payable						4,000,000
						11,500,000
Intangible assets		$ 11,400,000	$ 343,500	$ 100,000		$ 11,500,000