Note 19 - Fair Value of Financial Instruments - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Total Losses	$ 0	$ (2,700,000)
Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
PreImpairment Value		6,302
Total Losses		(2,587)
Fair Value of Inventory		3,715
Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
PreImpairment Value		6,326
Total Losses		(81)
Fair Value of Inventory		$ 6,245