CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 24, 2016	Dec. 26, 2015	Dec. 24, 2016	Dec. 26, 2015
Income Statement [Abstract]
Service Revenue	$ 17,455	$ 13,922	$ 51,577	$ 41,647
Distribution Sales	20,358	16,238	53,868	47,659
Total Revenue	37,813	30,160	105,445	89,306
Cost of Service Revenue	13,149	10,650	38,402	31,383
Cost of Distribution Sales	15,749	12,732	41,855	37,346
Total Cost of Revenue	28,898	23,382	80,257	68,729
Gross Profit	8,915	6,778	25,188	20,577
Selling, Marketing and Warehouse Expenses	4,159	3,199	12,612	9,968
Administrative Expenses	2,403	1,897	7,207	6,530
Total Operating Expenses	6,562	5,096	19,819	16,498
Operating Income	2,353	1,682	5,369	4,079
Interest and Other Expense, net	188	62	547	193
Income Before Income Taxes	2,165	1,620	4,822	3,886
Provision for Income Taxes	885	552	1,812	1,339
Net Income	$ 1,280	$ 1,068	$ 3,010	$ 2,547
Basic Earnings Per Share (in Dollars per share)	$ 0.18	$ 0.15	$ 0.43	$ 0.37
Average Shares Outstanding (in Shares)	7,010	6,900	6,984	6,878
Diluted Earnings Per Share (in Dollars per share)	$ 0.18	$ 0.15	$ 0.42	$ 0.36
Average Shares Outstanding (in Shares)	7,204	7,137	7,161	7,134