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

X
- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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