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Intangible Assets

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

5.	Intangible Assets

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

			June 30, 2019							December 31, 2018
	Useful		Gross					Net		Gross					Net
Intangibles (amount	Lives		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
in thousands)	(Years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Patent		1-17	$	740	$	(348	)	$	392	$	728	$	(336	)	$	392
Software		3		412		(406	)		6		410		(403	)		7
Customer relationships		10		3,370		(2,601	)		769		3,370		(2,491	)		879
Permit		10		545		(545	)		-		545		(538	)		7
Total			$	5,067	$	(3,900	)	$	1,167	$	5,053	$	(3,768	)	$	1,285

The intangible assets noted above 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 Company had only one definite-lived permit that was subject to amortization. This definite-lived permit was fully amortized in the first quarter of 2019.

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

	Amount
Year	(In thousands)

2019 (remaining)	$	122
2020		219
2121		198
2022		172
2023		132

Amortization expenses relating to the definite-lived intangible assets as discussed above were $61,000 and $134,000 for the three and six months ended June 30, 2019, respectively, and $85,000 and $169,000 for the three and six months ended June 30, 2018, respectively.