Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2011	Sep. 30, 2010
Consolidated Balance Sheets [Abstract]
Preferred stock, without par value
Preferred stock, authorized	5,000,000	5,000,000
Preferred stock, issued	0	0
Common stock, without par value
Common stock, authorized	50,000,000	50,000,000
Common stock, issued	12,223,978	12,145,098
Common stock, outstanding	12,223,978	12,145,098