Note 9 - Homebuilding Prepaid and Other Assets - Summary of Homebuilding Prepaid and Other Assets (Details) - Homebuilding Segment [Member] - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Deferred marketing costs	$ 37,178	$ 35,313
Land option deposits	16,277	8,683
Goodwill	6,008	6,008
Prepaid expenses	6,011	4,735
Deferred debt issuance costs on revolving credit facility, net	6,139	4,340
Other	1,195	1,384
Total	$ 72,808	$ 60,463