Note 10 - Investments in Unconsolidated Land Development and Homebuilding Joint Ventures (Details) - Combined Statements of Operations for Unconsolidated Land Development and Homebuilding Joint Ventures - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Combined Statements of Operations for Unconsolidated Land Development and Homebuilding Joint Ventures [Abstract]
Revenues			$ 22,350	$ 31,225
Cost of sales and expenses			(25,444)	(35,943)
Income (loss) of unconsolidated joint ventures			(3,094)	(4,718)
Income (loss) from unconsolidated joint ventures reflected in the accompanying condensed consolidated statements of operations	$ 121	$ 557	$ (381)	$ (342)