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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Feb. 28, 2015
Feb. 28, 2014
Accounts receivable, allowance for bad debts $ 52us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 40us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Preferred stock, par value $ 0us-gaap_PreferredStockNoParValue $ 0us-gaap_PreferredStockNoParValue
Preferred stock, shares authorized 10,000,000us-gaap_PreferredStockSharesAuthorized 10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock, par value $ 0us-gaap_CommonStockNoParValue $ 0us-gaap_CommonStockNoParValue
Common stock, shares authorized 50,000,000us-gaap_CommonStockSharesAuthorized 50,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 9,732,000us-gaap_CommonStockSharesIssued 9,732,000us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 5,962,000us-gaap_CommonStockSharesOutstanding 7,020,000us-gaap_CommonStockSharesOutstanding
Treasury stock, shares 3,770,000us-gaap_TreasuryStockShares 2,712,000us-gaap_TreasuryStockShares