Note 8 - Securities Available For Sale (Details) - Summary of Securities Available for Sale (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 90,425	$ 85,584
Gross Unrealized Gains	360	766
Gross Unrealized Losses	(1,098)	(459)
Avaiable-for-sale Securities Fair Value	89,687	85,891
FHLMC [Member] | Mortgage-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,431	5,669
Gross Unrealized Gains	144	294
Gross Unrealized Losses	0	0
Avaiable-for-sale Securities Fair Value	2,575	5,963
FNMA [Member] | Mortgage-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	3,194	4,076
Gross Unrealized Gains	204	301
Gross Unrealized Losses	0	0
Avaiable-for-sale Securities Fair Value	3,398	4,377
FNMA [Member] | Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost		80
Gross Unrealized Gains		1
Gross Unrealized Losses		0
Avaiable-for-sale Securities Fair Value		81
U.S. Government Agency Obligations [Member] | Other Marketable Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	84,042	75,059
Gross Unrealized Gains	3	170
Gross Unrealized Losses	(643)	(4)
Avaiable-for-sale Securities Fair Value	83,402	75,225
Common Stock [Member] | Other Marketable Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	58
Gross Unrealized Gains	9
Gross Unrealized Losses	0
Avaiable-for-sale Securities Fair Value	67
Corporate Preferred Stock [Member] | Other Marketable Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	700	700
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(455)	(455)
Avaiable-for-sale Securities Fair Value	245	245
Mortgage-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	5,625
Gross Unrealized Gains	348
Gross Unrealized Losses	0
Avaiable-for-sale Securities Fair Value	5,973
Other Marketable Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	84,800	75,759
Gross Unrealized Gains	12	170
Gross Unrealized Losses	(1,098)	(459)
Avaiable-for-sale Securities Fair Value	83,714	75,470
Mortgage Backed Securities And Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost		9,825
Gross Unrealized Gains		596
Gross Unrealized Losses		0
Avaiable-for-sale Securities Fair Value		$ 10,421