Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Intangible Assets

Schedule of balance of intangible assets

The following represents the balance of the intangible assets at June 30, 2013:

(in thousands)	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
Cinryze Product rights	$	521,000	$	97,814	$	423,186
Plenadren Product rights	63,227		9,999		53,228
Buccolam Product rights	6,182		1,133		5,049
Auralis Contract rights	8,812		2,796		6,016
Vancocin Intangibles	7,407		494		6,913
Total	$	606,628	$	112,236	$	494,392

The following represents the balance of the intangible assets at December 31, 2012:

(in thousands)	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
Cinryze Product rights	$	521,000	$	87,394	$	433,606
Plenadren Product rights	65,136		7,048		58,088
Buccolam Product rights	6,566		876		5,690
Auralis Contract rights	9,360		2,531		6,829
Vancocin Intangibles	168,099		54,773		113,326
Total	$	770,161	$	152,622	$	617,539