Note 1 - Company Organization and Operations - Percentages of Homes Delivered by Region (Details)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Region	100.00%	100.00%	100.00%
Homebuilding: North [Member]
Region	21.00%	11.00%
Homebuilding Southeast [Member]
Region	28.00%	34.00%	38.00%
Homebuilding Southwest [Member]
Region	28.00%	26.00%	21.00%
Homebuilding: West [Member]
Region	23.00%	29.00%	41.00%