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CONSOLIDATED BALANCE SHEETS (Parenthetical)
Dec. 31, 2014
Dec. 31, 2013
SHAREHOLDERS' EQUITY:    
Preferred shares, shares authorized (in shares) 1,000,000us-gaap_PreferredStockSharesAuthorized 1,000,000us-gaap_PreferredStockSharesAuthorized
Preferred shares, shares outstanding (in shares) 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common shares, shares authorized (in shares) 12,000,000us-gaap_CommonStockSharesAuthorized 12,000,000us-gaap_CommonStockSharesAuthorized
Common shares, shares issued (in shares) 10,064,945us-gaap_CommonStockSharesIssued 10,041,163us-gaap_CommonStockSharesIssued
Treasury shares at cost (in shares) 753,627us-gaap_TreasuryStockShares 753,627us-gaap_TreasuryStockShares