Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
Statement Of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 423	$ 358
Other assets, accumulated amortization	$ 146	$ 114
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	5,891,256	5,759,857
Common stock, shares outstanding	5,891,256	5,759,857