Note 4 - Segment Information - Segment and Geographic Data (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Sep. 23, 2023	Jun. 24, 2023	Sep. 24, 2022	Jun. 25, 2022	Sep. 23, 2023	Sep. 24, 2022
Revenue	$ 62,804		$ 56,439		$ 123,402	$ 111,100
Gross Profit	20,125		16,767		38,835	32,805
Operating Expenses	18,482		13,141		32,552	25,575
Operating Income	1,643		3,626		6,283	7,230
Interest and Other Expense, net	841		537		1,719	693
Provision for Income Taxes	342		732		1,155	1,108
Total	1,183		1,269		2,874	1,801
Net Income	460	$ 2,949	2,357	$ 3,072	3,409	5,429
UNITED STATES
Revenue	57,119		51,036		111,376	100,033
CANADA
Revenue	3,896		3,868		8,143	7,855
Other International [Member]
Revenue	1,789		1,535		3,883	3,212
Service Segment [Member] | Operating Segments [Member]
Revenue	41,431		35,267		81,284	69,143
Gross Profit	14,084		11,487		27,055	22,322
Operating Expenses	13,342		8,980		23,121	17,283
Operating Income	742		2,507		3,934	5,039
Distribution Segment [Member] | Operating Segments [Member]
Revenue	21,373		21,172		42,118	41,957
Gross Profit	6,041		5,280		11,780	10,483
Operating Expenses	5,140		4,161		9,431	8,292
Operating Income	$ 901		$ 1,119		$ 2,349	$ 2,191