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Summary Of Significant Accounting Policies (Details) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Minimum [Member]
Jun. 29, 2013
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 $ 5,065,000 $ 10,552,000 $ 11,029,000 $ 24,519,000        
FDIC insured cash and cash equivalents 800,000   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   $ 800,000