CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2013	Sep. 30, 2012
Allowance for doubtful accounts	$ 250,000	$ 250,000
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares outstanding
Common stock, par value	$ 0.33	$ 0.33
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	8,053,407	8,031,369
Common stock, shares outstanding	8,053,407	8,031,369