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CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - $ / shares
Jun. 30, 2016
Dec. 31, 2015
SHAREHOLDERS' EQUITY:    
Preferred shares, no par value (in dollars per share)
Preferred shares, shares authorized (in shares) 1,000,000 1,000,000
Preferred shares, shares outstanding (in shares) 0 0
Common shares, no par value (in dollars per share)
Common shares, shares authorized (in shares) 19,000,000 12,000,000
Common shares, shares issued (in shares) 10,690,889 10,679,174
Treasury shares (in shares) 753,627 753,627