Other Accrued Expenses (Details) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Advertising and marketing		$ 228	$ 213
Deferred revenue		1,421	1,431
Duties		1,125	1,127
Freight and handling fees		1,830	1,919
Product development		641	454
Product warranty claim costs		132	134	$ 35	$ 35
Professional fees		1,814	1,313
Property, plant, and equipment		1,334	1,017
Sales taxes and VAT		2,613	2,715
Short-term contingent consideration		2,400	0
Third-party commissions		610	853
Tooling	[1]	1,858	1,520
Unrealized loss on foreign currency exchange contracts		453	1,623
URC court order and settlement agreement		0	6,622
Utilities		142	331
Other		3,714	3,138
Total other accrued expenses		$ 20,315	$ 24,410

[1] The tooling accrual balance relates to unearned revenue for tooling that will be sold to customers.