Note 6 - Loans Receivable (Details) - Past Due and Nonaccrual Loans (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	$ 383,938		$ 353,192
Gross of Undisbursed Funds, Unearned Discounts and Net Loan Fees, and Allowance for Loan and Lease Losses [Member] | One-to-Four-Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	3,511		7,411
90 Days or More Past Due	1,664		3,982
Current	124,133		146,543
Total	129,308	[1]	157,936	[1]
Gross of Undisbursed Funds, Unearned Discounts and Net Loan Fees, and Allowance for Loan and Lease Losses [Member] | Multifamily Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due			3,459
Current	25,773		17,331
Total	25,773	[1]	20,790	[1]
Gross of Undisbursed Funds, Unearned Discounts and Net Loan Fees, and Allowance for Loan and Lease Losses [Member] | Nonfarm Nonresidential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	176
90 Days or More Past Due	2,340		4,523
Current	166,386		133,491
Total	168,902		138,014	[1]
Gross of Undisbursed Funds, Unearned Discounts and Net Loan Fees, and Allowance for Loan and Lease Losses [Member] | Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	30		241
90 Days or More Past Due	2,799		3,145
Current	23,725		11,165
Total	26,554		14,551
Gross of Undisbursed Funds, Unearned Discounts and Net Loan Fees, and Allowance for Loan and Lease Losses [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due			341
90 Days or More Past Due	348		402
Current	28,685		15,340
Total	29,033		16,083	[1]
Gross of Undisbursed Funds, Unearned Discounts and Net Loan Fees, and Allowance for Loan and Lease Losses [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due			15
90 Days or More Past Due	19		25
Current	4,349		5,778
Total	4,368	[1]	5,818	[1]
Gross of Undisbursed Funds, Unearned Discounts and Net Loan Fees, and Allowance for Loan and Lease Losses [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	3,717	[1]	11,467	[1]
90 Days or More Past Due	7,170	[1]	12,077	[1]
Current	373,051	[1]	329,648	[1]
Total	383,938	[1]	353,192	[1]
Nonaccrual [Member] | One-to-Four-Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	637		1,070
90 Days or More Past Due	1,664		3,982
Current	1,957		1,975
Total	4,258		7,027
Nonaccrual [Member] | Nonfarm Nonresidential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90 Days or More Past Due	2,340		4,523
Current	1,717		2,713
Total	4,057		7,236
Nonaccrual [Member] | Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due			241
90 Days or More Past Due	2,799		3,145
Current	450		747
Total	3,249		4,133
Nonaccrual [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90 Days or More Past Due	348		402
Current	2
Total	350		402
Nonaccrual [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due			1
90 Days or More Past Due	19		25
Current	5
Total	24		26
Nonaccrual [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	637		1,312
90 Days or More Past Due	7,170		12,077
Current	4,131		5,435
Total	$ 11,938		$ 18,824

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