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Disposal of Video Camera Segment - Summary of Balance Sheet Information of Discontinued Video Camera Segment (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Assets:  
Accounts receivable, net $ 2,597
Inventories 3,568
Other current assets 107
Total current assets 6,272 [1]
Property, plant and equipment, net 431 [1]
Total assets 6,703
Liabilities:  
Accounts payable 730
Other accrued current liabilities 1,017
Total liabilities $ 1,747 [1]
[1] Derived from December 28, 2013 audited financial statements