Annual report pursuant to Section 13 and 15(d)

Permit and Other Intangible Assets

Permit and Other Intangible Assets

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

NOTE 4

PERMIT AND OTHER INTANGIBLE ASSETS

The following table summarizes changes in the carrying amount of permits. No permit exists at our Services and Medical Segments.

Permit (amount in thousands)	Treatment
Balance as of December 31, 2015	$	16,761
PCB permit amortized ⁽¹⁾		(55	)
Permit in progress		56
Permit impairment for M&EC subsidiary		(8,288	)
Balance as of December 31, 2016		8,474
PCB permit amortized ⁽¹⁾		(55	)
Balance as of December 31, 2017	$	8,419

⁽¹⁾Amortization for the one definite-lived permit capitalized in 2009. This permit is being amortized over a ten year period in accordance with its estimated useful life. Net carrying value of this permit was approximately $62,000 and $117,000 as of December 31, 2017 and 2016, respectively.

The following table summarizes information relating to the Company’s definite-lived intangible assets:

			December 31, 2017							December 31, 2016
	Useful		Gross					Net		Gross					Net
	Lives		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	(Years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Intangibles (amount in thousands)
Patent		1-17	$	657	$	(306	)	$	351	$	577	$	(274	)	$	303
Software		3		410		(398	)		12		405		(383	)		22
Customer relationships		12		3,370		(2,246	)		1,124		3,370		(1,974	)		1,396
Permit		10		545		(483	)		62		545		(428	)		117
Total			$	4,982	$	(3,433	)	$	1,549	$	4,897	$	(3,059	)	$	1,838

The intangible assets are amortized on a straight-line basis over their useful lives with the exception of customer relationships which are being amortized using an accelerated method.

The following table summarizes the expected amortization over the next five years for our definite-lived intangible assets:

	Amount
Year	(In thousands)

2018	$	336
2019		254
2020		218
2021		198
2022		173
	$	1,179

Amortization expense recorded for definite-lived intangible assets was approximately $374,000 and $448,000, for the years ended December 31, 2017 and 2016, respectively.