Activity - Stock Option, Restricted Stock and Restricted Stock Units (Details) - $ / shares	3 Months Ended		6 Months Ended			12 Months Ended
	Apr. 30, 2016		Apr. 30, 2016		Apr. 30, 2015	Oct. 31, 2015	Oct. 31, 2014
Weighted Average Grant Date Fair Value Restricted Stock and RSUs
Granted, Weighted Average Grant Date Fair Value	$ 4.17
Employee Stock Option [Member]
Number of Shares
Options, Outstanding Beginning of Period			90,666		123,333	123,333
Granted					0
Exercised			0		(18,650)
Canceled			(1,000)		(11,350)
Options, Outstanding End of Period	89,666		89,666		93,333	90,666	123,333
Weighted-Average Exercise Price
Options, Outstanding, Beginning of Period, Weighted Average Exercise Price Per Share			$ 9.70		$ 9.69	$ 9.69
Granted, Weighted Average Exercise Price Per Share					0
Exercised, Weighted Average Exercise Price Per Share			0		8.30
Forfeitures and Expirations in Period, Weighted Average Exercise Price			12		11.58
Options, Outstanding, End of Period, Weighted Average Exercise Price Per Share	$ 9.67		$ 9.67		$ 9.74	$ 9.70	$ 9.69
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term			3 years 7 months 3 days		4 years 6 months 5 days	4 years 1 month 6 days	5 years 1 month 25 days
Restricted Stock [Member]
Weighted Average Grant Date Fair Value Restricted Stock and RSUs
Nonvested, Weighted Average Grant Date Fair Value	$ 6.48		$ 6.48		$ 15.55	$ 13.77	$ 16.81
Granted, Weighted Average Grant Date Fair Value			4.28		14
Vested, Weighted Average Grant Date Fair Value			16.64		18.87
Forfeited, Weighted Average Grant Date Fair Value			$ 10.13		$ 20.64
Nonvested, Beginning of Period			124,255		116,882	116,882
Stock, Granted	276,856		309,251		22,504
Stock, Vested			(21,458)		(25,000)
Stock, Forfeited			(1,500)		(6,750)
Nonvested, End of Period	410,548		410,548		107,636	124,255	116,882
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms			2 years 2 months 30 days		1 year 8 months 5 days	2 years 3 months 10 days	2 years 6 months 30 days
Restricted Stock Units (RSUs) [Member]
Weighted Average Grant Date Fair Value Restricted Stock and RSUs
Nonvested, Weighted Average Grant Date Fair Value	$ 4.17	[1]	$ 4.17	[1]	$ 0	$ 0	$ 0
Granted, Weighted Average Grant Date Fair Value			4.17	[1]	0
Vested, Weighted Average Grant Date Fair Value			0		0
Forfeited, Weighted Average Grant Date Fair Value			$ 0		$ 0
Nonvested, Beginning of Period			0		0	0
Stock, Granted	21,539		21,539		0
Stock, Vested			0		0
Stock, Forfeited			0		0
Nonvested, End of Period	21,539		21,539		0	0	0

[1] (1) 20 day EMA effective with commencement of the 2016 Plan on March 9, 2016.