Other Intangible Assets

6 Months Ended

Jun. 30, 2015

(9)Other Intangible Assets

The carrying values of the Company’s definite lived intangible assets as of June 30, 2015 and December 31, 2014, are as follows (in thousands):

	Patents			Non- Compete			Customer List			Total
Estimated useful life	14 years			5 years			5 years
Gross amount at June 30, 2015	$	429		$	512		$	2,046		$	2,987
Accumulated amortization at June 30, 2015	(429		)	(356		)	(1,408		)	(2,193		)

Net balance at June 30, 2015	$	—		$	156		$	638		$	794


Gross amount at December 31, 2014	$	429		$	512		$	2,046		$	2,987
Accumulated amortization at December 31, 2014	(429		)	(325		)	(1,280		)	(2,034		)

Net balance at December 31, 2014	$	—		$	187		$	766		$	953

Amortization expense related to intangible assets was approximately $79,000 and $113,000 for the three-month periods ended June 30, 2015 and 2014, respectively, and $159,000 and $232,000 for the six-month periods ended June 30, 2015 and 2014, respectively. The estimated remaining amortization expense as of June 30, 2015 is as follows (in thousands):

Remainder of:

2015	$	158
2016	318
2017	318

Total	$	794