INTANGIBLE ASSETS

9 Months Ended

Sep. 30, 2015

INTANGIBLE ASSETS

INTANGIBLE ASSETS

5.INTANGIBLE ASSETS

Intangible assets on the Company’s condensed consolidated balance sheets consist of the following (in thousands):

		September 30, 2015							December 31, 2014
	Life	Gross Amount		Accumulated amortization			Net Book Value		Gross Amount		Accumulated amortization			Net Book Value
Customer lists	8 - 15 years	$	34,211	$	(7,295	)	$	26,916	$	34,379	$	(5,801	)	$	28,578
Trade name	10 years	4,775		(1,697		)	3,078		4,775		(1,409		)	3,366
Design and technologies	8 - 10 years	2,253		(1,583		)	670		2,425		(1,598		)	827
Patents		24		(5		)	19		24		(4		)	20
Total		$	41,263	$	(10,580	)	$	30,683	$	41,603	$	(8,812	)	$	32,791

Amortization expense for intangible assets was $661 and $697 for the quarters ending September 30, 2015 and 2014, respectively; and $1,983 and $2,045 for the nine months ended September 30, 2015 and 2014, respectively.

Estimated future intangible asset amortization expense as of September 30, 2015 is as follows (in thousands):

	Estimated Amortization Expense
Remainder of 2015	$	662
2016	2,648
2017	2,648
2018	2,649
2019	2,649
Thereafter	19,427
Total estimated amortization expense	$	30,683