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Consolidated Balance Sheet (Parenthetical) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Common stock, no par value $ 0us-gaap_CommonStockNoParValue $ 0us-gaap_CommonStockNoParValue
Common stock, shares authorized 6,500,000us-gaap_CommonStockSharesAuthorized 6,500,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 5,200,000us-gaap_CommonStockSharesIssued 5,200,000us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 5,200,000us-gaap_CommonStockSharesOutstanding 5,200,000us-gaap_CommonStockSharesOutstanding
Treasury Stock, shares 572,662us-gaap_TreasuryStockShares 561,562us-gaap_TreasuryStockShares