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Consolidated Condensed Balance Sheets (Parentheticals) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Statement Of Financial Position [Abstract]    
Common stock, no par value (in dollars per share)      
Common stock, shares authorized 5,000,000us-gaap_CommonStockSharesAuthorized 5,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 2,513,696us-gaap_CommonStockSharesIssued 2,513,696us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 2,513,696us-gaap_CommonStockSharesOutstanding 2,513,696us-gaap_CommonStockSharesOutstanding