Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Other Intangible Assets - Other Intangible Assets (Details)

v3.20.4
Note 4 - Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 27, 2020
Dec. 29, 2019
Mar. 29, 2020
Finite-lived intangible assets, gross amount $ 14,200   $ 14,200   $ 14,200
Finite-lived intangible assets, accumulated amortization 9,219   9,219   8,623
Amortization expense 193 $ 214 596 $ 641  
Cost of Sales [Member]          
Amortization expense 2 2 5 5  
Selling, General and Administrative Expenses [Member]          
Amortization expense 191 212 591 636  
Trademarks and Trade Names [Member]          
Finite-lived intangible assets, gross amount 3,667   3,667   3,667
Finite-lived intangible assets, accumulated amortization 1,930   1,930   1,747
Amortization expense 61 62 183 184  
Developed Technology [Member]          
Finite-lived intangible assets, gross amount 1,100   1,100   1,100
Finite-lived intangible assets, accumulated amortization 376   376   293
Amortization expense 28 28 83 83  
Noncompete Agreements [Member]          
Finite-lived intangible assets, gross amount 458   458   458
Finite-lived intangible assets, accumulated amortization 337   337   278
Amortization expense 19 19 59 58  
Patents [Member]          
Finite-lived intangible assets, gross amount 1,601   1,601   1,601
Finite-lived intangible assets, accumulated amortization 937   937   889
Amortization expense 13 27 48 81  
Customer Relationships [Member]          
Finite-lived intangible assets, gross amount 7,374   7,374   7,374
Finite-lived intangible assets, accumulated amortization 5,639   5,639   $ 5,416
Amortization expense $ 72 $ 78 $ 223 $ 235