Consolidated Statements of Cash Flows (unaudited) (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Supplemental disclosures of non-cash transactions:
Patent costs accrued from Auxilium	$ 45,000	$ 64,000
Patent amortization expenses	48,000	44,000
Decrease in deferred tax assets and additional paid in capital	$ 75,000
Stock options cancelled (in shares)	15,000