Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Goodwill, Customer Relationships and Other Intangible Assets - Other Intangible Assets (Details)

v3.10.0.1
Note 3 - Goodwill, Customer Relationships and Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Dec. 30, 2018
Dec. 31, 2017
Apr. 01, 2018
Finite-lived intangible assets, gross amount $ 14,200   $ 14,200   $ 14,200
Finite-lived intangible assets, accumulated amortization 7,556   7,556   6,928
Amortization expense 214 $ 189 628 $ 618  
Cost of Sales [Member]          
Amortization expense 2 2 5 5  
Selling, General and Administrative Expenses [Member]          
Amortization expense 212 187 623 613  
Trademarks and Trade Names [Member]          
Finite-lived intangible assets, gross amount 3,667   3,667   3,667
Finite-lived intangible assets, accumulated amortization 1,441   1,441   1,270
Amortization expense 62 50 171 138  
Developed Technology [Member]          
Finite-lived intangible assets, gross amount 1,100   1,100   1,100
Finite-lived intangible assets, accumulated amortization 156   156   73
Amortization expense 28 28 83 46  
Noncompete Agreements [Member]          
Finite-lived intangible assets, gross amount 458   458   458
Finite-lived intangible assets, accumulated amortization 180   180   122
Amortization expense 19 20 58 35  
Patents [Member]          
Finite-lived intangible assets, gross amount 1,601   1,601   1,601
Finite-lived intangible assets, accumulated amortization 754   754   673
Amortization expense 27 27 81 81  
Customer Relationships [Member]          
Finite-lived intangible assets, gross amount 7,374   7,374   7,374
Finite-lived intangible assets, accumulated amortization 5,025   5,025   $ 4,790
Amortization expense $ 78 $ 64 $ 235 $ 318