Note 5 - Foreclosed Properties (Details) - Classification of Other Real Estate Owned (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Real Estate Properties [Line Items]
Other real estate owned	$ 8,686	$ 8,143	$ 8,400	$ 8,938
Residential Homes [Member]
Real Estate Properties [Line Items]
Other real estate owned	220
Residential Lots [Member]
Real Estate Properties [Line Items]
Other real estate owned	3,023	3,472
Residential Development [Member]
Real Estate Properties [Line Items]
Other real estate owned	423
Commercial Lots [Member]
Real Estate Properties [Line Items]
Other real estate owned	1,075	1,076
Commercial Buildings [Member]
Real Estate Properties [Line Items]
Other real estate owned	$ 3,945	$ 3,595