Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3.a.u2
Note 4 - Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 29, 2019
Dec. 30, 2018
Mar. 31, 2019
Finite-lived intangible assets, gross amount $ 14,200   $ 14,200   $ 14,200
Finite-lived intangible assets, accumulated amortization 8,409   8,409   7,768
Amortization expense 214 $ 214 641 $ 628  
Cost of Sales [Member]          
Amortization expense 2 2 5 5  
Selling, General and Administrative Expenses [Member]          
Amortization expense 212 212 636 623  
Trademarks and Trade Names [Member]          
Finite-lived intangible assets, gross amount 3,667   3,667   3,667
Finite-lived intangible assets, accumulated amortization 1,685   1,685   1,501
Amortization expense 62 62 184 171  
Developed Technology [Member]          
Finite-lived intangible assets, gross amount 1,100   1,100   1,100
Finite-lived intangible assets, accumulated amortization 266   266   183
Amortization expense 28 28 83 83  
Noncompete Agreements [Member]          
Finite-lived intangible assets, gross amount 458   458   458
Finite-lived intangible assets, accumulated amortization 258   258   200
Amortization expense 19 19 58 58  
Patents [Member]          
Finite-lived intangible assets, gross amount 1,601   1,601   1,601
Finite-lived intangible assets, accumulated amortization 862   862   781
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 5,338   5,338   $ 5,103
Amortization expense $ 78 $ 78 $ 235 $ 235