Consolidated Statements of Stockholders' Equity and Temporary Equity (USD $)	Total	Series B Convertible Preferred Stock [Member]	Series B-2 Preferred Stock [Member]	Common Stock [Member]	Common Stock [Member] Series B Convertible Preferred Stock [Member]	Common Stock [Member] Series B-2 Preferred Stock [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member] Series B Convertible Preferred Stock [Member]	Additional Paid-In Capital [Member] Series B-2 Preferred Stock [Member]	Retained Earnings [Member]	Retained Earnings [Member] Series B Convertible Preferred Stock [Member]	Retained Earnings [Member] Series B-2 Preferred Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Series B Convertible Preferred Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Series B-2 Preferred Stock [Member]
Balance at Oct. 31, 2011		$ 3,000,000
Beginning balance at Oct. 31, 2011	49,052,000			112,000			34,863,000			14,980,000			(903,000)
Beginning balance, shares at Oct. 31, 2011				11,205,241
Dividends - common	(1,470,000)									(1,470,000)
Dividends - preferred	(262,000)									(262,000)
Stock compensation	947,000						947,000
Stock compensation, shares				10,269
Exchange of common stock	(196,000)						(196,000)
Exchange of common stock, shares				(10,995)
Repurchase of common stock
Repurchase of common stock, shares				(7,500)
Donation of common stock	100,000						100,000
Donation of common stock, shares	6,165			6,165
Net income	3,150,000									3,150,000
Other comprehensive income (loss), net of tax	(1,619,000)												(1,619,000)
Temporary Equity
Dividends - preferred
Net income
Balance at Oct. 31, 2012		3,000,000
Ending balance at Oct. 31, 2012	49,702,000			112,000			35,714,000			16,398,000			(2,522,000)
Ending balance, shares at Oct. 31, 2012				11,203,180
Dividends - common	(1,944,000)									(1,944,000)
Dividends - preferred	(262,000)									(262,000)
Stock compensation	753,000						753,000
Stock compensation, shares				43,761
Exchange of common stock	(236,000)						(236,000)
Exchange of common stock, shares				(11,010)
Donation of common stock	100,000						100,000
Donation of common stock, shares	4,859			4,859
Issuance of common stock	51,857,000			28,000			51,829,000
Issuance of common stock, shares				2,775,221
Net income	4,906,000									4,906,000
Other comprehensive income (loss), net of tax	2,777,000												2,777,000
Temporary Equity
Dividends - preferred
Net income
Balance at Oct. 31, 2013		3,000,000
Ending balance at Oct. 31, 2013	107,653,000			140,000			88,160,000			19,098,000			255,000
Ending balance, shares at Oct. 31, 2013				14,016,011
Dividends - common	(2,321,000)									(2,321,000)
Dividends - preferred		(262,000)	(198,000)								(262,000)	(198,000)
Stock compensation	1,116,000						1,116,000
Stock compensation, shares				40,678
Exchange of common stock	(176,000)						(176,000)
Exchange of common stock, shares				(6,619)
Donation of common stock	100,000						100,000
Donation of common stock, shares	4,552			4,552
Issuance of common stock	518,000						518,000
Issuance of common stock, shares				23,455
Tax benefit of stock grant vesting	52,000						52,000
Net income	6,991,000									6,991,000
Other comprehensive income (loss), net of tax	4,856,000												4,856,000
Temporary Equity
Dividends - preferred			31,000
Issuance of Series B-2 preferred stock			9,300,000
Net income
Balance at Oct. 31, 2014		3,000,000	9,331,000
Ending balance at Oct. 31, 2014	$ 118,329,000			$ 140,000			$ 89,770,000			$ 23,308,000			$ 5,111,000
Ending balance, shares at Oct. 31, 2014				14,078,077