GOODWILL

12 Months Ended

Dec. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

GOODWILL

(6) GOODWILL

Goodwill is tested for impairment on an annual basis and between annual tests if the Company becomes aware of any events occurring or changes in the circumstances that would indicate a reduction in the fair value of the goodwill below its carrying amount.

The following table represents the changes in goodwill for the year ended December 31, 2015:

Balance at December 31, 2014	$	54,258
Addition of goodwill related to the acquisition of Prosensa		148,134
Reduction of goodwill related to the sale of talazoparib (1)		(5,353	)
Balance at December 31, 2015	$	197,039

(1) See Note 8 to these Consolidated Financial Statements for additional discussion related to the sale of talazoparib.

During the fourth quarter of 2015, the Company performed its annual impairment review and determined no impairments of goodwill existed at December 31, 2015.