Note 4 - Segment Information - Segment and Geographic Data (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 24, 2023	Jun. 25, 2022
Revenue	[1]	$ 60,598	$ 54,661
Gross Profit		18,710	16,038
Operating Expenses		14,070	12,434
Operating Income		4,640	3,604
Interest and Other Expense, net		878	156
Provision for Income Taxes		813	376
Total		1,691	532
Net Income		2,949	3,072
UNITED STATES
Revenue	[1],[2]	54,257	48,998
CANADA
Revenue	[1]	4,247	3,986
Other International [Member]
Revenue	[1]	2,094	1,677
Service Segment [Member] | Operating Segments [Member]
Revenue		39,853	33,876
Gross Profit		12,971	10,835
Operating Expenses	[3]	9,779	8,303
Operating Income		3,192	2,532
Distribution Segment [Member] | Operating Segments [Member]
Revenue		20,745	20,785
Gross Profit		5,739	5,203
Operating Expenses	[3]	4,291	4,131
Operating Income		$ 1,448	$ 1,072

[1] Revenues are attributed to the countries based on the destination of a product shipment or the location where service is rendered.

[2] United States includes Puerto Rico.

[3] Operating expense allocations between segments are based on actual amounts, a percentage of revenues, headcount, and management’s estimates.