Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Intangible Assets [Abstract]

Intangible assets

The Company's intangible assets as of December 31, 2012 and 2011 were as follows (in thousands):

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
December 31, 2012
Trademarks	$	1,278	$	(831	)	$	447
Contracts- third party		3,650		(3,259	)		391
Contracts- owned equipment		3,960		(3,357	)		603
	$	8,888	$	(7,447	)	$	1,441
December 31, 2011
Trademarks	$	1,278	$	(702	)	$	576
Contracts- third party		3,650		(2,738	)		912
Contracts- owned equipment		3,924		(3,079	)		845
	$	8,852	$	(6,519	)	$	2,333

Estimated future amortization expenses

Amortization recorded for the years ended December 31, 2012, 2011 and 2010 was $0.9 million, $1.3 million and $1.4 million, respectively. Estimated future amortization expenses are as follows (in thousands):

2013	$	779
2014		382
2015		197
2016		83
2017 and thereafter		-
	$	1,441