Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Statement Of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 438,317	$ 358,487
Other assets, accumulated amortization	$ 159,000	$ 114,000
Adjustable rate preferred stock, stated value	$ 25	$ 25
Adjustable rate preferred stock, shares authorized	5,000,000	5,000,000
Adjustable rate preferred stock, shares issued	0	0
Adjustable rate preferred stock, shares outstanding	0	0
Common stock, no par value
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	5,898,756	5,759,857
Common stock, shares outstanding	5,898,756	5,759,857