Condensed Consolidated Balance Sheets [Parenthetical] (USD $) In Thousands, except Per Share data	Jun. 30, 2011	Sep. 30, 2010
Allowance for doubtful accounts (in dollars)	$ 4,111	$ 3,312
Allowance for obsolete inventory (in dollars)	137	110
Accumulated depreciation (in dollars)	1,997	1,527
Accumulated amortization, intangible assets	12
Unamortized discount on convertible notes payable (in dollars)	$ 0	$ 21
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorised	200,000	200,000
Common stock, shares issued	48,135	44,706
Common stock, shares outstanding	48,046	44,617
Treasury stock, shares	89	89