Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Sep. 30, 2011
Condensed Consolidated Balance Sheets [Abstract]
Allowance for doubtful accounts	$ 588	$ 391
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	11,766,981	11,752,393
Common stock, shares outstanding	11,766,981	11,752,393