CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
SHAREHOLDERS' EQUITY:
Preferred shares - no par value, (in dollars per share)	$ 0	$ 0
Preferred shares - authorized shares (in shares)	1,000,000	1,000,000
Preferred shares - outstanding shares (in shares)	0	0
Common shares - no par value (in dollars per share)	$ 0	$ 0
Common shares - authorized shares (in shares)	12,000,000	12,000,000
Common shares - issued shares (in shares)	7,445,514	7,445,514
Treasury shares - shares (in shares)	755,771	755,771