Annual report pursuant to Section 13 and 15(d)

Note 6 - Goodwill, Customer Relationships and Other Intangible Assets - Other Intangible Assets (Details)

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Note 6 - Goodwill, Customer Relationships and Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 01, 2018
Apr. 02, 2017
Apr. 03, 2016
Finite-lived intangible assets, gross amount $ 14,200 $ 9,220  
Finite-lived intangible assets, accumulated amortization 6,928 6,092  
Amortization expense 836 754 $ 748
Cost of Sales [Member]      
Amortization expense 7 7 7
Selling, General and Administrative Expenses [Member]      
Amortization expense 829 747 741
Trademarks and Trade Names [Member]      
Finite-lived intangible assets, gross amount 3,667 1,987  
Finite-lived intangible assets, accumulated amortization 1,270 1,066  
Amortization expense 204 133 132
Developed Technology [Member]      
Finite-lived intangible assets, gross amount 1,100  
Finite-lived intangible assets, accumulated amortization 73  
Amortization expense 73
Noncompete Agreements [Member]      
Finite-lived intangible assets, gross amount 458 98  
Finite-lived intangible assets, accumulated amortization 122 67  
Amortization expense 55 7 7
Patents [Member]      
Finite-lived intangible assets, gross amount 1,601 1,601  
Finite-lived intangible assets, accumulated amortization 673 565  
Amortization expense 108 107 108
Customer Relationships [Member]      
Finite-lived intangible assets, gross amount 7,374 5,534  
Finite-lived intangible assets, accumulated amortization 4,790 4,394  
Amortization expense $ 396 $ 507 $ 501