Note 3. Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 15,819	$ 16,239
Work in process	2,501	2,412
Finished goods	8,759	7,402
Total	$ 27,079	$ 26,053

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