Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Other Intangible Assets

The summary of other intangible assets, net is as follows:

	March 31, 2018						December 31, 2017
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Customer contracts and relationships	$	16,880	$	16,880	$	0	$	16,880	$	16,880	$	0
Patents and technology		10,114		8,837		1,277		10,114		8,670		1,444
Trademarks and trade names		4,834		4,422		412		4,834		4,335		499
Other		2,506		2,372		134		2,506		2,336		170
Total	$	34,334	$	32,511	$	1,823	$	34,334	$	32,221	$	2,113

Summary of Assigned Lives and Weighted Average Amortization Periods by Intangible Asset Category

 The assigned lives and weighted average amortization periods by intangible asset category are summarized below:

Intangible Assets	Assigned Life	Weighted Average Amortization Period
Customer contracts and relationships	5 years		5.0
Patents and technology	5 to 6 years	5.1
Trademarks and trade names	5 to 6 years	5.6
Other	1 to 6 years		3.0

Schedule of Expected Amortization Expense

The Company’s intangible amortization is scheduled through February 2020.  The amortization expense for 2018 and the next two years is as follows:

Fiscal Year	Amount
2018	$	1,084
2019	$	885
2020	$	144