XML 22 R7.htm IDEA: XBRL DOCUMENT

Consolidated Statements of Cash Flows (unaudited) (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Supplemental disclosures of non-cash transactions:
Patent costs accrued from Auxilium	$ 10,000	$ 15,000
Patent amortization expenses	$ 16,000	$ 12,945

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.

+ References+ Details