Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Allowance for doubtful accounts	$ 1,507	$ 1,307
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	195,000,000	195,000,000
Common stock, shares issued	55,058,000	54,065,000
Common stock, shares outstanding	55,058,000	54,065,000