Note 7 - Inventories (Details) (USD $)	3 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Note 7 - Inventories (Details) [Line Items]
Number of Active and Future Projects Owned	373		323
Number of Current and Future Communities Acquired During Period		10
Other Lot Option Contracts Net Of Deposits	$ 40,181,000			$ 54,336,000
Inventory Real Estate Not Owned	86,791,000			98,341,000
Inventory Owned [Member] | Acquisition Of Current and Future Communities [Member]
Note 7 - Inventories (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		31,500,000
Inventory Not Owned [Member] | Acquisition Of Current and Future Communities [Member]
Note 7 - Inventories (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		4,900,000
Land Option and Purchase Contracts [Member]
Note 7 - Inventories (Details) [Line Items]
Other Lot Option Contracts Net Of Deposits	7,600,000			21,700,000
Significant Deposits Paid Under Contract [Member]
Note 7 - Inventories (Details) [Line Items]
Other Lot Option Contracts Net Of Deposits	27,000,000			27,000,000
Acquisition Of Current and Future Communities [Member]
Note 7 - Inventories (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other		1,200,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other		4,200,000
Inventory Real Estate Not Owned	$ 5,600,000			$ 5,700,000