Redeemable Preferred Stock And Warrants (Narrative) (Details) (USD $)	0 Months Ended	6 Months Ended	0 Months Ended		1 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Sep. 29, 2014	Aug. 19, 2014	Oct. 31, 2014	Dec. 31, 2014	Oct. 24, 2014	Oct. 01, 2014	Jan. 31, 2015
Class of Stock [Line Items]
Preferred stock, shares issued	50,000	50,000				50,000
Preferred stock, par value	$ 0.01	$ 0.01				$ 0.01
Purchasers Percentage Interest							20.20%
Dividends declared		$ 934,000
Accrued dividends payable	786,000	786,000				786,000
Dividend arrearage	147,000
Series A Serial Preferred Stock [Member]
Class of Stock [Line Items]
Proceeds from issuance of preferred stock				50,000,000
Preferred stock, shares issued				50,000
Preferred stock, par value				$ 0.01
Preferred Stock, dividend rate		5.00%
Preferred Stock, liquidation preference per share	$ 1,000	$ 1,000				$ 1,000
Preferred Stock, liquidation preference value	50,000,000	50,000,000				50,000,000
Liquidation preference after August 19, 2022		100.00%		100.00%
Warrants issued as a percentage of common stock outstanding		7.60%
Number of members of the Board elected if Percentage Interest is less than 20%		1
Number of members of the Board elected if Percentage Interest is equal to or greater than 20%		2
Exercise price of warrants	$ 20.39	$ 20.39				$ 20.39
Warrants redeemable exercise price percentage		150.00%
Warrants redeemable exercise price consecutive trading days		10 days
Period the dividends are expected to be paid over		8 years
Preferred Stock, redemption amount	50,000,000	50,000,000				50,000,000
Preferred Stock, issuance costs incurred		6,000,000
Net proceeds allocated to Preferred Stock and Warrants		43,993,000
Dividends declared		$ 934,000	$ 295,000		$ 639,000	$ 639,000
Percentage of dividend declared that was paid								50.00%
Series A Serial Preferred Stock [Member] | Minimum [Member]
Class of Stock [Line Items]
Percentage of each dividend of preferred stock paid in cash		50.00%
Fair market value per share	$ 24.00	$ 24.00				$ 24.00
Percentage Interest for election of two members of the Board		20.00%
Series A Serial Preferred Stock [Member] | Maximum [Member]
Class of Stock [Line Items]
Number of shares called by warrants				2,452,267
Percentage Interest for election of one member of the Board		20.00%
Subsequent Event [Member] | Series A Serial Preferred Stock [Member]
Class of Stock [Line Items]
Percentage of dividend declared that was paid									50.00%