SEGMENT INFORMATION (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 24, 2016 USD ($)	Dec. 26, 2015 USD ($)	Dec. 24, 2016 USD ($) item	Dec. 26, 2015 USD ($)
Segment Reporting [Abstract]
Number of Reportable Segments | item				2
Revenue:
Revenue		$ 37,813	$ 30,160	$ 105,445	$ 89,306
Gross Profit:
Gross Profit		8,915	6,778	25,188	20,577
Operating Expenses:
Operating Expenses		6,562	5,096	19,819	16,498
Operating Income:
Operating Income		2,353	1,682	5,369	4,079
Unallocated Amounts:
Interest and Other Expense, net		188	62	547	193
Provision for Income Taxes		885	552	1,812	1,339
Net Income		1,280	1,068	3,010	2,547
Service Segment [Member]
Revenue:
Revenue		17,455	13,922	51,577	41,647
Gross Profit:
Gross Profit		4,306	3,272	13,175	10,264
Operating Expenses:
Operating Expenses	[1]	3,365	2,473	10,399	7,981
Operating Income:
Operating Income		941	799	2,776	2,283
Distribution [Member]
Revenue:
Revenue		20,358	16,238	53,868	47,659
Gross Profit:
Gross Profit		4,609	3,506	12,013	10,313
Operating Expenses:
Operating Expenses	[1]	3,197	2,623	9,420	8,517
Operating Income:
Operating Income		1,412	883	2,593	1,796
Segment Reconciling Items [Member]
Unallocated Amounts:
Interest and Other Expense, net		188	62	547	193
Provision for Income Taxes		885	552	1,812	1,339
Unallocated Amounts		$ 1,073	$ 614	$ 2,359	$ 1,532

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