Consolidated Statements of Cash Flows (unaudited) (Parenthetical) (USD $)	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Supplemental disclosures of non-cash transactions:
Patent costs accrued from Auxilium	$ 151,000	$ 30,000
Patent amortization expenses	$ 68,000	$ 32,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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