Note 6 - Loans Receivable (Details) - Financing Receivable by Credit Quality Indicators (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	$ 383,938	[1]	$ 353,192	[1]
One-to-Four-Family Residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	34,333		30,216
One-to-Four-Family Residential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	329		3,698
One-to-Four-Family Residential [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	6,371		12,993
One-to-Four-Family Residential [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	88,275		111,029
One-to-Four-Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	129,308	[1]	157,936	[1]
Multifamily Residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	25,773		16,695
Multifamily Residential [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable			4,078
Multifamily Residential [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable			17
Multifamily Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	25,773	[1]	20,790	[1]
Nonfarm Nonresidential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	159,629		117,604
Nonfarm Nonresidential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,490		7,445
Nonfarm Nonresidential [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,057		12,045
Nonfarm Nonresidential [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	726		920
Nonfarm Nonresidential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	168,902		138,014
Construction and Land Development [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	19,732		5,298
Construction and Land Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	295		867
Construction and Land Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	3,942		4,934
Construction and Land Development [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	2,585		3,452
Construction and Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	26,554		14,551
Commercial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	28,555		15,127
Commercial Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable			340
Commercial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	350		425
Commercial Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	128		191
Commercial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	29,033	[1]	16,083	[1]
Consumer Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	151		159
Consumer Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	45		45
Consumer Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,172		5,614
Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,368	[1]	5,818	[1]
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	268,173	[1]	185,099	[1]
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	5,114	[1]	12,350	[1]
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	14,765	[1]	34,520	[1]
Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	$ 95,886	[1]	$ 121,223	[1]

[1] Gross of unearned discounts and net loan costs and the allowance for loan and lease losses.