Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data	Jun. 30, 2011	Sep. 30, 2010
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 0.8	$ 1.6
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	162,000	180,000
Preferred stock, shares issued	162,000	180,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	3,000,000	3,000,000
Common stock, shares outstanding	609,320	577,432
Series A Preferred Stock
Cumulative, convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Cumulative, convertible preferred stock, shares authorized	100,000	100,000
Cumulative, convertible preferred stock, shares issued	100,000	100,000
Cumulative, convertible preferred stock, liquidation preference (in dollars per share)	$ 25.00	$ 25.00
Series B Preferred Stock
Cumulative, convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Cumulative, convertible preferred stock, shares authorized	80,000	80,000
Cumulative, convertible preferred stock, shares outstanding	62,000	80,000
Cumulative, convertible preferred stock, liquidation preference (in dollars per share)	$ 25.00	$ 25.00