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Note 4 - Variable Interest Entities (Details) (USD $)
3 Months Ended 9 Months Ended 1 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Sep. 30, 2013
Holders of Non-Controlling Interests [Member]
Dec. 31, 2012
Holmdel Pharmaceuticals LP [Member]
Dec. 31, 2012
SWK HP Holdings GP [Member]
Sep. 30, 2013
Minimum Interest [Member]
Note 4 - Variable Interest Entities (Details) [Line Items]            
Payments to Acquire Intangible Assets       $ 13,000,000    
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures         6,000,000  
Percent of Pharmaceutical Product's Cash Flow to be Received by the Limited Partnership 84.00% 84.00%       39.00%
Income (Loss) from Equity Method Investments 627,000 1,042,000        
Proceeds from Equity Method Investment, Dividends or Distributions   3,403,000        
Payments of Distributions to Affiliates     $ 1,815,000