SEGMENT INFORMATION (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 26, 2021	Jun. 27, 2020
Revenue:
Revenue		$ 47,790	$ 38,904
Gross Profit:
Gross Profit		13,520	9,409
Operating Expenses:
Operating Expenses		9,831	8,445
Operating Income:
Operating Income		3,689	964
Unallocated Amounts:
Interest and Other Expense, net		195	243
Benefit from Income Taxes		(194)	(77)
Unallocated Amounts		1	166
Net Income		3,688	798
Service Segment [Member]
Revenue:
Revenue		27,557	22,967
Gross Profit:
Gross Profit		8,752	6,069
Operating Expenses:
Operating Expenses	[1]	5,778	4,940
Operating Income:
Operating Income	[1]	2,974	1,129
Distribution [Member]
Revenue:
Revenue		20,233	15,937
Gross Profit:
Gross Profit		4,768	3,340
Operating Expenses:
Operating Expenses	[1]	4,053	3,505
Operating Income:
Operating Income	[1]	$ 715	$ (165)

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