Note 2 - Summary of Significant Accounting Policies (Details) (USD $)	6 Months Ended				6 Months Ended	0 Months Ended	1 Months Ended		6 Months Ended	12 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jul. 03, 2014	Dec. 31, 2013	Jun. 30, 2014 Other Income [Member] Forward Contracts [Member]	Jul. 03, 2014 Forward Contracts [Member]	Sep. 30, 2014 Forward Contracts [Member]	Jun. 30, 2014 Fair Value, Inputs, Level 3 [Member] Santen [Member]	Jun. 30, 2014 H Lundbeck AS [Member]	Dec. 31, 2013 H Lundbeck AS [Member]	Dec. 22, 2011 H Lundbeck AS [Member]	Jun. 30, 2014 Santen [Member]	Jun. 30, 2014 Minimum [Member]	Jun. 30, 2014 Maximum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Number of Quarters in Trend Basis	6
Estimated Percentage of Sales Subject to Charge Backs	94.50%	90.00%
Finite-Lived Intangible Asset, Useful Life													4 years	30 years
Business Combination, Additional Consideration Owed								$ 4,600,000			$ 15,000,000	$ 4,500,000
Original Recorded Value of Purchase Consideration											11,300,000
Original Discount Rate Used											10.00%
Correction of Opening Balance Related to Long Term Obligation											11,600,000
Fair Value Inputs, Discount Rate									9.00%			12.60%
Discount Rate									2.27%	1.85%
Contingent Consideration Original Obligation of Purchase Consideration								4,400,000	14,800,000			4,000,000
Non-cash Interest Expense									100,000
Percentage of Likelihood of Purchase Consideration becoming Payable									100.00%
Number of Non Deliverable Forward Contracts	3
Future Anticipated Investments						3,300,000	3.3
Foreign Currency Contract, Asset, Fair Value Disclosure	630,000		600,000	208,000
Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives					400,000
Cost Method Investments	$ 10,965,000			$ 10,006,000