Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Allowance for doubtful accounts (in Dollars) (in Dollars) (in Dollars) (in Dollars) (in Dollars)	$ 231	$ 223
Preferred stock, par value (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in Shares) (in Shares)	1,000,000	1,000,000
Preferred stock, shares issued (in Shares) (in Shares)	0	0
Preferred stock, shares outstanding (in Shares) (in Shares)	0	0
Common stock, shares authorized (in Shares) (in Shares)	50,000,000	50,000,000
Common stock, shares issued (in Shares) (in Shares)	34,350,319	34,355,192
Common stock, shares outstanding (in Shares) (in Shares)	34,350,319	34,355,192
Common stock, par value (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share) (in Dollars per share)	$ 0.01	$ 0.01