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Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Service Revenue	$ 12,603us-gaap_SalesRevenueServicesNet	$ 11,516us-gaap_SalesRevenueServicesNet	$ 37,336us-gaap_SalesRevenueServicesNet	$ 34,727us-gaap_SalesRevenueServicesNet
Distribution Sales	18,449us-gaap_SalesRevenueGoodsNet	18,997us-gaap_SalesRevenueGoodsNet	53,946us-gaap_SalesRevenueGoodsNet	53,378us-gaap_SalesRevenueGoodsNet
Total Revenue	31,052us-gaap_SalesRevenueNet	30,513us-gaap_SalesRevenueNet	91,282us-gaap_SalesRevenueNet	88,105us-gaap_SalesRevenueNet
Cost of Service Revenue	9,513us-gaap_CostOfServices	8,826us-gaap_CostOfServices	28,037us-gaap_CostOfServices	26,133us-gaap_CostOfServices
Cost of Distribution Sales	14,545us-gaap_CostOfGoodsSold	14,549us-gaap_CostOfGoodsSold	42,656us-gaap_CostOfGoodsSold	40,799us-gaap_CostOfGoodsSold
Total Cost of Revenue	24,058us-gaap_CostOfGoodsAndServicesSold	23,375us-gaap_CostOfGoodsAndServicesSold	70,693us-gaap_CostOfGoodsAndServicesSold	66,932us-gaap_CostOfGoodsAndServicesSold
Gross Profit	6,994us-gaap_GrossProfit	7,138us-gaap_GrossProfit	20,589us-gaap_GrossProfit	21,173us-gaap_GrossProfit
Selling, Marketing and Warehouse Expenses	3,602us-gaap_SellingAndMarketingExpense	3,678us-gaap_SellingAndMarketingExpense	10,506us-gaap_SellingAndMarketingExpense	10,674us-gaap_SellingAndMarketingExpense
Administrative Expenses	2,015us-gaap_GeneralAndAdministrativeExpense	2,118us-gaap_GeneralAndAdministrativeExpense	6,431us-gaap_GeneralAndAdministrativeExpense	6,724us-gaap_GeneralAndAdministrativeExpense
Total Operating Expenses	5,617us-gaap_OperatingExpenses	5,796us-gaap_OperatingExpenses	16,937us-gaap_OperatingExpenses	17,398us-gaap_OperatingExpenses
Operating Income	1,377us-gaap_OperatingIncomeLoss	1,342us-gaap_OperatingIncomeLoss	3,652us-gaap_OperatingIncomeLoss	3,775us-gaap_OperatingIncomeLoss
Interest and Other Expense, net	83us-gaap_OtherNonoperatingIncomeExpense	85us-gaap_OtherNonoperatingIncomeExpense	266us-gaap_OtherNonoperatingIncomeExpense	157us-gaap_OtherNonoperatingIncomeExpense
Income Before Income Taxes	1,294us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1,257us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3,386us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3,618us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Provision for Income Taxes	481us-gaap_IncomeTaxExpenseBenefit	469us-gaap_IncomeTaxExpenseBenefit	1,269us-gaap_IncomeTaxExpenseBenefit	1,338us-gaap_IncomeTaxExpenseBenefit
Net Income	$ 813us-gaap_NetIncomeLoss	$ 788us-gaap_NetIncomeLoss	$ 2,117us-gaap_NetIncomeLoss	$ 2,280us-gaap_NetIncomeLoss
Basic Earnings Per Share (in Dollars per share)	$ 0.12us-gaap_EarningsPerShareBasic	$ 0.11us-gaap_EarningsPerShareBasic	$ 0.31us-gaap_EarningsPerShareBasic	$ 0.32us-gaap_EarningsPerShareBasic
Average Shares Outstanding (in Shares)	6,823us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	6,856us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	6,788us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	7,192us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted Earnings Per Share (in Dollars per share)	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.30us-gaap_EarningsPerShareDiluted	$ 0.31us-gaap_EarningsPerShareDiluted
Average Shares Outstanding (in Shares)	7,081us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	7,125us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	7,061us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	7,421us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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