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Note 11 - Restructuring Charges and Exit Costs (Details) (USD $)
3 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Note 11 - Restructuring Charges and Exit Costs (Details) [Line Items]    
Restructuring Charges $ 400,000 $ 1,000,000
Severance Costs   900,000
Facility Closing [Member]
   
Note 11 - Restructuring Charges and Exit Costs (Details) [Line Items]    
Restructuring Charges   $ 100,000