INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2018

INTANGIBLE ASSETS

Schedule of intangible assets

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

		June 30, 2018							December 31, 2017
	Life	Gross  Amount		Accumulated  amortization			Net Book  Value		Gross  Amount		Accumulated  amortization			Net Book  Value
Customer lists	8 - 17 years	$	42,200	$	(13,982	)	$	28,218	$	38,659	$	(12,721	)	$	25,938
Trade name	10 - 12 years	6,178		(3,042		)	3,136		6,213		(2,798		)	3,415
Design and technologies	10-12 years	5,024		(2,565		)	2,459		5,147		(2,443		)	2,704
Patents	17 years	24		(9		)	15		24		(8		)	16
Total		$	53,426	$	(19,598	)	$	33,828	$	50,043	$	(17,970	)	$	32,073

Schedule of estimated amortization expense for intangible assets

Estimated future intangible asset amortization expense as of June 30, 2018 is as follows (in thousands):

	Estimated  Amortization  Expense
Remainder of 2018	$	1,747
2019	3,493
2020	3,493
2021	3,234
2022	3,234
2023	3,152
Thereafter	15,475
Total estimated amortization expense	$	33,828