Note 20 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Note 20 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Pre-Impairment Amount		$ 500,000	$ 16,700,000	$ 700,000
Total Losses	$ 0	(100,000)	(4,400,000)	(200,000)
Fair Value, Inputs, Level 3 [Member] | Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Measurements, Nonrecurring [Member]
Note 20 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Pre-Impairment Amount		469,000	16,756,000	469,000
Total Losses		(70,000)	(4,466,000)	(70,000)
Fair Value		$ 399,000	$ 12,290,000	399,000
Fair Value, Inputs, Level 3 [Member] | Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Measurements, Nonrecurring [Member]
Note 20 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Pre-Impairment Amount				236,000
Total Losses				(82,000)
Fair Value				$ 154,000