Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Other Intangible Assets [Abstract]

Other intangible assets

The following table summarizes information relating to the Company's other intangible assets:

			March 31, 2013							December 31, 2012
	Useful		Gross					Net		Gross					Net
	Lives		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	(Years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Intangibles (amount in thousands)
Patent		8-18	$	453	$	(119	)	$	334	$	453	$	(105	)	$	348
Software		3		380		(172	)		208		380		(145	)		235
Non-compete agreement		5		265		(75	)		190		265		(62	)		203
Customer contracts		0.5		790		(790	)		¾		790		(790	)		¾
Customer relationships		12		3,370		(643	)		2,727		3,370		(546	)		2,824
Total			$	5,258	$	(1,799	)	$	3,459	$	5,258	$	(1,648	)	$	3,610

Summary of expected amortization over next five years

The following table summarizes the expected amortization over the next five years for our definite-lived intangible assets noted above and also includes the only definite-lived permit, which is at our Diversified Scientific Services, Inc. ("DSSI") subsidiary:

	Amount
Year	(In thousands)
2013 (remaining)	$	506
2014		590
2015		507
2016		429
2017		355
	$	2,387