Other Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Payables and Accruals [Abstract]
Advertising and marketing	$ 402		$ 501
Duties	855		584
Freight	1,575		1,666
Product development	522		569
Product warranty claim costs	0		404
Professional fees	954		1,234
Sales taxes and VAT	1,017		1,979
Third-party commissions	632		337
Tooling	754	[1]	221	[1]
Utilities	386		316
Other	3,453		2,833
Total other accrued expenses	$ 10,550		$ 10,644

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