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Consolidated Statements of Income (Unaudited) (USD $)	12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Income Statement [Abstract]
Net Sales	$ 10,849,475us-gaap_Revenues	$ 10,278,938us-gaap_Revenues
Cost of Goods Sold	5,634,365us-gaap_CostOfRevenue	5,545,471us-gaap_CostOfRevenue
Gross Profit	5,215,110us-gaap_GrossProfit	4,733,467us-gaap_GrossProfit
Operating Expenses
Research and product development	1,015,614us-gaap_ResearchAndDevelopmentExpense	885,101us-gaap_ResearchAndDevelopmentExpense
Marketing and selling	2,153,407us-gaap_SellingAndMarketingExpense	1,957,960us-gaap_SellingAndMarketingExpense
General and administrative	1,033,373us-gaap_GeneralAndAdministrativeExpense	1,017,043us-gaap_GeneralAndAdministrativeExpense
Real estate operations expense	162,522us-gaap_OwnedPropertyManagementCosts	154,792us-gaap_OwnedPropertyManagementCosts
Total Operating Expenses	4,364,916us-gaap_OperatingExpenses	4,014,896us-gaap_OperatingExpenses
Operating Income	850,194us-gaap_OperatingIncomeLoss	718,571us-gaap_OperatingIncomeLoss
Interest Expense	(64,527)us-gaap_InterestExpense	(110,151)us-gaap_InterestExpense
Interest Income	32,641us-gaap_InvestmentIncomeInterest	6,544us-gaap_InvestmentIncomeInterest
Other Income	7,249us-gaap_NonoperatingIncomeExpense
Income Before Income Taxes	825,557us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	614,964us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Income Tax Expense (Benefit)	219,424us-gaap_IncomeTaxExpenseBenefit	130,490us-gaap_IncomeTaxExpenseBenefit
Net Income	$ 606,133us-gaap_ProfitLoss	$ 484,474us-gaap_ProfitLoss
Basic Earnings Per Share	$ 0.04us-gaap_EarningsPerShareBasic	$ 0.03us-gaap_EarningsPerShareBasic
Diluted Earnings Per Share	$ 0.04us-gaap_EarningsPerShareDiluted	$ 0.03us-gaap_EarningsPerShareDiluted
Weighted Average Shares - Basic	14,737,204us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	14,541,869us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted Average Shares - Diluted	14,846,808us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	14,580,165us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

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