Annual report pursuant to Section 13 and 15(d)

Note 9 - Stock-based Compensation (Details) - Stock Option Compensation

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Note 9 - Stock-based Compensation (Details) - Stock Option Compensation (USD $)
12 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation $ 152,000 $ 194,000
Cost of Sales [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 77,000 101,000
Cost of Sales [Member] | Fiscal Year 2012 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 13,000 54,000
Cost of Sales [Member] | Fiscal Year 2013 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 46,000 34,000
Cost of Sales [Member] | Fiscal Year 2014 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 18,000  
Cost of Sales [Member] | Fiscal Year 2011 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation   13,000
Operating Expense [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 75,000 93,000
Operating Expense [Member] | Fiscal Year 2012 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 11,000 46,000
Operating Expense [Member] | Fiscal Year 2013 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 46,000 34,000
Operating Expense [Member] | Fiscal Year 2014 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 18,000  
Operating Expense [Member] | Fiscal Year 2011 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation   13,000
Fiscal Year 2012 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 24,000 100,000
Fiscal Year 2013 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 92,000 68,000
Fiscal Year 2014 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation 36,000  
Fiscal Year 2011 [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock option compensation   $ 26,000