Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

The carrying values of the Company’s definite lived intangible assets as of March 31, 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 March 31, 2015	$	429		$	512		$	2,046		$	2,987
Accumulated amortization at March 31, 2015	(429		)	(340		)	(1,344		)	(2,113		)
Net balance at March 31, 2015	$	—		$	172		$	702		$	874

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

The estimated remaining amortization expense as of March 31, 2015 is as follows (in thousands):