Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2013	Sep. 30, 2012
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 1.2	$ 1.2
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	116,000	158,000
Preferred stock, shares issued	116,000	158,000
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	623,115	612,327
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)	2.5	2.5
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 issued	16,000	58,000
Cumulative, Convertible Preferred Stock, shares outstanding	16,000	58,000
Cumulative, Convertible Preferred Stock, liquidation preference (in dollars)	$ 0.4	$ 1.5