CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares	Dec. 31, 2016	Dec. 31, 2015
SHAREHOLDERS' EQUITY:
Preferred shares, shares authorized (in shares)	1,000,000	1,000,000
Preferred shares, shares outstanding (in shares)	0	0
Common shares, shares authorized (in shares)	19,000,000	12,000,000
Common shares, shares issued (in shares)	10,751,652	10,679,174
Treasury shares at cost (in shares)	753,627	753,627