GOODWILL AND INTANGIBLE ASSETS, NET (Tables)

3 Months Ended

Mar. 31, 2016

GOODWILL AND INTANGIBLE ASSETS, NET [Abstract]

Summary of Intangible Assets by Major Class

The following tables summarize the gross carrying amounts and accumulated amortization of intangible assets by major class (in thousands):

	March 31, 2016
Intangible assets subject to amortization (Definite-lived)	Gross		Accumulated Amortization			Net
Customer relationships	$	16,852	$	(1,685	)	$	15,167
Non-compete agreements		94		(29	)		65
Licenses and permits		1,471		(191	)		1,280
Developed technology		6,131		(919	)		5,212
		24,548		(2,824	)		21,724
Intangible assets not subject to amortization (Indefinite-lived)
Emissions Allowance		197		-			197
Trade name		2,158		-			2,158
Total	$	26,903	$	(2,824	)	$	24,079

	December 31, 2015
Intangible assets subject to amortization (Definite-lived)	Gross		Accumulated Amortization			Net
Customer relationships	$	16,852	$	(1,404	)	$	15,448
Non-compete agreements		94		(24	)		70
Licenses and permits		1,471		(160	)		1,311
Developed technology		6,131		(766	)		5,365
		24,548		(2,354	)		22,194
Intangible assets not subject to amortization (Indefinite-lived)
Emissions Allowance		197		-			197
Trade name		2,158		-			2,158
Total	$	26,903	$	(2,354	)	$	24,549

Estimated Amortization Expenses for Succeeding Five Fiscal Years

Based on identified intangible assets that are subject to amortization as of March 31, 2016, we expect future amortization expenses for each period to be as follows (in thousands):

	Remainder of 2016		2017		2018		2019		2020		Thereafter
Customer relationships	$	842	$	1,123	$	1,123	$	1,123	$	1,123	$	9,833
Non-compete agreements		14		19		19		13		-		-
Licenses and permits		97		106		105		106		106		760
Developed technology		460		613		613		613		613		2,300
Total future amortization expense	$	1,413	$	1,861	$	1,860		1,855	$	1,842	$	12,893