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Note 3 - Variable Interest Entities (Detail) (USD $)			1 Months Ended
Note 3 - Variable Interest Entities (Detail) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2012 Holmdel Pharmaceuticals LP [Member]	Dec. 31, 2012 SWK HP Holdings LP [Member]	Dec. 31, 2012 SWK HP Holdings GP [Member]	Dec. 31, 2012 Minimum Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest	$ 7,000,000	$ 7,000,000
Payments to Acquire Intangible Assets			13,000,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures				$ 13,000,000	$ 6,000,000
Percent of Pharmaceutical Product's Cash Flow to be Received by the Limited Partnership		87.00%				45.00%
Noncontrolling Interest, Ownership Percentage by Parent			87.00%

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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- Definition

The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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