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Stockholders' Equity (Preferred And Common Stock Narrative) (Details) (USD $)
 3 Months Ended 12 Months Ended 12 Months Ended
Dec. 29, 2012
Mar. 31, 2012
Dec. 29, 2012
Mar. 30, 2013
Dec. 29, 2012
Ascendiant Capital Markets LLC [Member]
Dec. 31, 2011
Ascendiant Capital Markets LLC [Member]
Class of Stock [Line Items]            
Preferred stock, shares authorized       10,000,000    
Preferred stock, par value       $ 0.001    
Preferred stock, shares outstanding 0   0 0    
Shares reserved for issuance, value       $ 10,000,000    
Proceeds from public offering, net 1,300,000 3,573,000     3,900,000 1,900,000
Shares issued during the period 1,685,394       1,312,669 697,470
Class of Warrant or Right, Outstanding 2,275,282   2,275,282      
Warrants as a percentage of stock issued     135.00%      
Period after which warrants are exercisable     181 days      
Exercise price of Warrants 0.89   0.89      
Stock Issued During Period, Value, New Issues $ 1,500,000