Annual report pursuant to Section 13 and 15(d)

Note 1 - Summary of Significant Accounting Policies (Details)

v2.4.0.8
Note 1 - Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]    
Research and Development Expense $ 3,897 $ 4,282
Machinery and Equipment [Member] | Minimum [Member]
   
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]    
Property, Plant and Equipment, Useful Life 3 years  
Machinery and Equipment [Member] | Maximum [Member]
   
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]    
Property, Plant and Equipment, Useful Life 10 years  
2005 Equity Incentive Plan [Member]
   
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 2,250,000  
Accounts Receivable [Member]
   
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]    
Number of Major Customers 3 3
Concentration Risk, Percentage 65.00% 59.00%
Minimum [Member]
   
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]    
Warranty Term 1 year  
Maximum [Member]
   
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]    
Warranty Term 3 years