Other Accrued Expenses (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Advertising and marketing		$ 176	$ 174
Deferred revenue		724	648
Duties		791	947
Freight and handling fees		1,255	1,522
Product development		536	751
Product warranty claim costs		24	353
Professional fees		1,466	1,493
Sales taxes and VAT		3,099	2,057
Third-party commissions		893	553
Tooling	[1]	1,367	1,089
Unrealized loss on foreign currency exchange futures contracts		53	113
Utilities		355	275
Other		2,875	3,383
Total other accrued expenses		$ 13,614	$ 13,358

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