CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2022	Dec. 31, 2021
SHAREHOLDERS' EQUITY:
Preferred shares, no par value (in dollars per share)	$ 0	$ 0
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	0	0
Common shares, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	19,000,000	19,000,000
Common stock, shares, issued	14,264,931	14,213,792
Common stock, shares, outstanding (in shares)	11,293,639	12,414,956
Treasury stock, shares	2,971,292	1,798,836