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Note 4- Royalty Monetization (Details Textual)		3 Months Ended		6 Months Ended
	Mar. 09, 2011 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 JPY (¥)
PhaRMA Notes Member] | Currency Hedge Agreement [Member] | JPR Royalty Sub LLC [Member]
Collateral Already Posted, Aggregate Fair Value		$ 0		$ 0			$ 0
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments		(796,000)	$ (1,824,000)	(332,000)	$ (3,350,000)
Foreign Currency Transaction Gain (Loss), Realized		1,545,000
Maximum Amount of Collateral Required to Post		$ 9,750,000		$ 9,750,000
PhaRMA Notes Member] | Currency Hedge Agreement [Member] | Japan, Yen
Derivative, Forward Exchange Rate		100		100
PhaRMA Notes Member] | Currency Hedge Agreement [Member]
Payments for (Proceeds from) Hedge, Investing Activities				$ 1,950,000
Required Foreign Currency Hedge Per Dollar | ¥								¥ 100
PhaRMA Notes Member] | JPR Royalty Sub LLC [Member]
Private Placement of Senior Secured Notes	$ 30,000,000
Debt Instrument, Interest Rate, Stated Percentage	14.00%
PhaRMA Notes Member] | JPR Royalty Sub LLC [Member]
Percentage of Carrying Amount in Excess of Fair Value		50.00%		50.00%
Notes Payable, Noncurrent						$ 30,000,000
Currency Hedge Agreement [Member]
Collateral Already Posted, Aggregate Fair Value		$ 0		$ 0			0
JPR Royalty Sub LLC [Member] | Royalty Monetization [Member]
Revenue Recognition Royalty and Milestone Revenue Recognized	$ 30,000,000
Revenue Recognition Royalty And Milestone Revenue Recognized, Net	22,691,000
Transaction Costs	4,309,000
Interest Reserve	3,000,000
JPR Royalty Sub LLC [Member]
Revenue Recognition Royalty and Milestone Revenue Recognized	$ 30,000,000
Notes Payable, Noncurrent		30,000,000		30,000,000			$ 30,000,000
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments		$ 749,000	$ (1,824,000)	$ 1,213,000	$ (3,350,000)

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- Definition

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- Definition

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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Contractual interest rate for funds borrowed, under the debt agreement.

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