Note 2 - Summary of Significant Accounting Policies (Details) (USD $)	9 Months Ended		9 Months Ended		1 Months Ended	9 Months Ended		12 Months Ended		9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Other Income [Member] Forward Contracts [Member]	Dec. 31, 2013 Other Income [Member] Forward Contracts [Member]	Sep. 30, 2014 Forward Contracts [Member]	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member] Santen [Member]	Sep. 30, 2014 H Lundbeck AS [Member]	Dec. 31, 2013 H Lundbeck AS [Member]	Dec. 22, 2011 H Lundbeck AS [Member]	Sep. 30, 2014 Santen [Member]	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life											1 year	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							3.06%	1.85%
Contingent Consideration Original Obligation of Purchase Consideration						4,500,000	14,900,000			4,000,000
Non-cash Interest Expense							200,000
Percentage of Likelihood of Purchase Consideration becoming Payable							100.00%
Interest Expense						500,000
Number of Non Deliverable Forward Contracts	3
Future Anticipated Investments					3,300,000
Foreign Currency Contract, Asset, Fair Value Disclosure	279,000	208,000	300,000	200,000
Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives			100,000
Available-for-sale Securities	$ 12,458,000