Intangible Assets

6 Months Ended

Jun. 30, 2012

Intangible Assets [Abstract]

Intangible Assets

(5)   Intangible Assets

The Company amortizes intangible assets on a straight line basis over their estimated useful lives as follows:

Trademarks	1-10 years
Contracts - third party	7 years
Contracts - owned equipment	5-7 years

Total amortization expense was $0.2 million and $0.3 million for the three months ended June 30, 2012 and 2011, respectively, and $0.5 million and $0.7 million for the six months ended June 30, 2012 and 2011, respectively.

Intangible assets as of June 30, 2012 and December 31, 2011 were as follows (in thousands):

June 30, 2012	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Trademarks	$	1,277	$	(766	)	$	511
Contracts - third party		3,650		(2,998	)		652
Contracts - owned equipment		3,873		(3,176	)		697
Total intangible assets	$	8,800	$	(6,940	)	$	1,860

December 31, 2011	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Trademarks	$	1,278	$	(702	)	$	576
Contracts - third party		3,650		(2,738	)		912
Contracts - owned equipment		3,924		(3,079	)		845
Total intangible assets	$	8,852	$	(6,519	)	$	2,333