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Summary Of Significant Accounting Policies (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Mar. 30, 2013
Minimum [Member]
Mar. 30, 2013
Maximum [Member]
Mar. 30, 2013
Original Equipment Manufacturer [Member]
Maximum [Member]
Mar. 31, 2012
Original Equipment Manufacturer [Member]
Maximum [Member]
Dec. 31, 2011
International Business Machines [Member]
Dec. 31, 2011
Hewlett-Packard Company [Member]
Summary Of Significant Accounting Policies [Line Items]                
Net sales $ 5,963,000 $ 13,967,000     $ 20,000 $ 20,000    
FDIC insured cash and cash equivalents 800,000              
Property, plant and equipment, useful life     3 years 7 years        
Product warranty period     1 year 3 years        
Marketing Expense             200,000 1,000,000
Accrued Marketing Costs, Current $ 800,000