Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2012	Dec. 31, 2011
Inventory Disclosure [Line Items]
Raw materials	$ 4,279	$ 4,767
Work-in-process	265	547
Finished goods	1,422	571
Reserve for obsolete inventory	(2,455)	(2,261)
Inventories, net	$ 3,511	$ 3,624

The amount of the valuation account as of the balance sheet date which reduces the carrying amount of inventory to net realizable value; takes into consideration such factors as market value, excessive quantities based on expected sales, technological obsolescence, and shrinkage. May also provide for estimated product returns or price concessions pertaining to product cost.

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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+ Details