Schedule II Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts from Continuing Operations [Member] - USD ($)		12 Months Ended
		Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period		$ 687,844	$ 972,778	$ 1,012,894
Balances of acquired companies		0	0	0
Additions charged to costs and expense	[1]	(37,420)	(64,406)	143,989
Deductions	[2]	(119,384)	(220,528)	(184,105)
Balance at end of period		$ 531,040	$ 687,844	$ 972,778

[1] 2015 was a recovery that offset bad debt expense for the year. Change in estimate that was offset by bad debt expense caused the negative bad debt expense for 2014.

[2] Uncollectible accounts written off, net of recoveries.