Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Other Intangible Assets - Other Intangible Assets (Details)

v3.19.3
Note 3 - Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 29, 2019
Sep. 30, 2018
Sep. 29, 2019
Sep. 30, 2018
Mar. 31, 2019
Finite-lived intangible assets, gross amount $ 14,200   $ 14,200   $ 14,200
Finite-lived intangible assets, accumulated amortization 8,195   8,195   7,768
Amortization expense 213 $ 214 427 $ 414  
Cost of Sales [Member]          
Amortization expense 1 1 3 3  
Selling, General and Administrative Expenses [Member]          
Amortization expense 212 213 424 411  
Trademarks and Trade Names [Member]          
Finite-lived intangible assets, gross amount 3,667   3,667   3,667
Finite-lived intangible assets, accumulated amortization 1,623   1,623   1,501
Amortization expense 61 61 122 109  
Developed Technology [Member]          
Finite-lived intangible assets, gross amount 1,100   1,100   1,100
Finite-lived intangible assets, accumulated amortization 238   238   183
Amortization expense 27 28 55 55  
Noncompete Agreements [Member]          
Finite-lived intangible assets, gross amount 458   458   458
Finite-lived intangible assets, accumulated amortization 239   239   200
Amortization expense 19 19 39 39  
Patents [Member]          
Finite-lived intangible assets, gross amount 1,601   1,601   1,601
Finite-lived intangible assets, accumulated amortization 835   835   781
Amortization expense 27 27 54 54  
Customer Relationships [Member]          
Finite-lived intangible assets, gross amount 7,374   7,374   7,374
Finite-lived intangible assets, accumulated amortization 5,260   5,260   $ 5,103
Amortization expense $ 79 $ 79 $ 157 $ 157