Marketable Securities (Details) (USD $)	Jan. 31, 2014	Oct. 31, 2013
Investment Measurement [Line Items]
Current trading securities (fair value)	$ 225,000	$ 199,000
Noncurrent trading securities (fair value)	3,530,000	2,995,000
Current trading securities (cost)	146,000	134,000
Noncurrent trading securities (cost)	2,953,000	2,375,000
Total trading (fair value)	3,755,000	3,194,000
Total trading securities (cost)	3,099,000	2,509,000
Money markets
Investment Measurement [Line Items]
Current trading securities (fair value)	0	0
Noncurrent trading securities (fair value)	472,000	380,000
Current trading securities (cost)	0	0
Noncurrent trading securities (cost)	472,000	380,000
Total trading (fair value)	472,000	380,000
Mutual funds
Investment Measurement [Line Items]
Current trading securities (fair value)	225,000	199,000
Noncurrent trading securities (fair value)	3,058,000	2,615,000
Current trading securities (cost)	146,000	134,000
Noncurrent trading securities (cost)	2,481,000	1,995,000
Total trading (fair value)	$ 3,283,000	$ 2,814,000