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Consolidated Balance Sheets Parenthetical (Parentheticals) (USD $)
Jan. 31, 2015
Apr. 30, 2014
Common stock, par value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 6,000,000us-gaap_CommonStockSharesAuthorized 6,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 5,615,750us-gaap_CommonStockSharesIssued 5,615,750us-gaap_CommonStockSharesIssued
Common Stock, Shares, Outstanding 5,615,750us-gaap_CommonStockSharesOutstanding 5,615,750us-gaap_CommonStockSharesOutstanding