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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Summary of financial asset measured at fair value


	December 31, 2012
	Level 1		Level 2		Level 3		Total
Available for sale securities	$	838,309	$	—	$	—	$	838,309

Total assets	$	838,309	$	—	$	—	$	838,309

Contingent royalty	$	—	$	—	$	16,000,000	$	16,000,000

Total liabilities	$	—	$	—	$	16,000,000	$	16,000,000


	December 31, 2011
	Level 1		Level 2		Level 3		Total
Available for sale securities	$	—	$	27,446	$	—	$	27,446

Total assets	$	—	$	27,446	$	—	$	27,446

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References+ Details