SEGMENT INFORMATION (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 26, 2015 USD ($)	Dec. 27, 2014 USD ($)	Dec. 26, 2015 USD ($) item	Dec. 27, 2014 USD ($)
SEGMENT INFORMATION [Abstract]
Number of Reportable Segments | item				2
Revenue:
Revenue		$ 30,160	$ 31,052	$ 89,306	$ 91,282
Gross Profit:
Gross Profit		6,778	6,994	20,577	20,589
Operating Expenses:
Operating Expenses		5,096	5,617	16,498	16,937
Operating Income:
Operating Income		1,682	1,377	4,079	3,652
Unallocated Amounts:
Interest and Other Expense, net		62	83	193	266
Provision for Income Taxes		552	481	1,339	1,269
Net Income		1,068	813	2,547	2,117
Segment Reconciling Items [Member]
Unallocated Amounts:
Interest and Other Expense, net		62	83	193	266
Provision for Income Taxes		552	481	1,339	1,269
Unallocated Amounts		614	564	1,532	1,535
Service Segment [Member]
Revenue:
Revenue		13,922	12,603	41,647	37,336
Gross Profit:
Gross Profit		3,272	3,090	10,264	9,299
Operating Expenses:
Operating Expenses	[1]	2,473	2,528	7,981	7,805
Operating Income:
Operating Income		799	562	2,283	1,494
Distribution [Member]
Revenue:
Revenue		16,238	18,449	47,659	53,946
Gross Profit:
Gross Profit		3,506	3,904	10,313	11,290
Operating Expenses:
Operating Expenses	[1]	2,623	3,089	8,517	9,132
Operating Income:
Operating Income		$ 883	$ 815	$ 1,796	$ 2,158

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