other long term assets in the accompanying balance sheets. Intangible assets and debt issuance costs are as follows (in thousands, except for weighted useful lives):

			December 31, 2011							June 30, 2012
	Weighted Useful Lives		Gross Carrying Amount		Accumulated Amortization			Net Amount		Gross Carrying Amount		Accumulated Amortization			Net Amount
	(Years)

Amortized Intangible Assets:
Licenses		4.96		91,488		(72,797	)		18,691		91,488		(74,348	)		17,140
Product lines		3.65		19,500		(18,787	)		713		19,500		(18,863	)		637
Customer relationships		5.28		7,096		(4,800	)		2,296		7,096		(5,131	)		1,965
Non-compete/Employment contracts		3.84		3,133		(3,080	)		53		3,133		(3,133	)		―
Total amortized intangible assets				121,217		(99,464	)		21,753		121,217		(101,475	)		19,742
Deferred Costs:
Debt issuance costs		5.00		3,678		(1,592	)		2,086		3,678		(1,961	)		1,717
Unamortized Intangible Assets:
Trademarks	indefinite			2,308		―			2,308		2,308		―			2,308
			$	127,203	$	(101,056	)	$	26,147	$	127,203	$	(103,436	)	$	23,767