Note 4 - Loans Receivable (Detail) - Past Due and Nonaccrual Loans (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Total	$ 349,520	[1],[2]	$ 353,192	[1],[2]
Gross of Unearned Discounts and Net Deferred Loan Costs and the Allowance for Loan and Lease Losses [Member] | One-to-Four-Family Residential [Member]
30-89 Days Past Due	5,293		7,411
90 Days or More Past Due	4,123		3,982
Current	142,137		146,543
Total	151,553	[3]	157,936
30-89 Days Past Due	5,293		7,411
Gross of Unearned Discounts and Net Deferred Loan Costs and the Allowance for Loan and Lease Losses [Member] | Multifamily Residential [Member]
30-89 Days Past Due			3,459
Current	21,138		17,331
Total	21,138	[3]	20,790
30-89 Days Past Due			3,459
Gross of Unearned Discounts and Net Deferred Loan Costs and the Allowance for Loan and Lease Losses [Member] | Nonfarm Nonresidential [Member]
30-89 Days Past Due	18
90 Days or More Past Due	3,666		4,523
Current	138,940		133,491
Total	142,624	[3]	138,014
30-89 Days Past Due	18
Gross of Unearned Discounts and Net Deferred Loan Costs and the Allowance for Loan and Lease Losses [Member] | Construction and Land Development [Member]
30-89 Days Past Due	375		241
90 Days or More Past Due	3,212		3,145
Current	9,571		11,165
Total	13,158	[3]	14,551
30-89 Days Past Due	375		241
Gross of Unearned Discounts and Net Deferred Loan Costs and the Allowance for Loan and Lease Losses [Member] | Commercial Loans [Member]
30-89 Days Past Due			341
90 Days or More Past Due	402		402
Current	15,431		15,340
Total	15,833	[3]	16,083
30-89 Days Past Due			341
Gross of Unearned Discounts and Net Deferred Loan Costs and the Allowance for Loan and Lease Losses [Member] | Consumer [Member]
30-89 Days Past Due	9		15
90 Days or More Past Due	25		25
Current	5,180		5,778
Total	5,214	[3]	5,818
30-89 Days Past Due	9		15
Gross of Unearned Discounts and Net Deferred Loan Costs and the Allowance for Loan and Lease Losses [Member]
30-89 Days Past Due	5,695	[3]	11,467
90 Days or More Past Due	11,428	[3]	12,077
Current	332,397	[3]	329,648
Total	349,520	[3]	353,192
30-89 Days Past Due	5,695	[3]	11,467
Nonaccrual [Member] | One-to-Four-Family Residential [Member]
30-89 Days Past Due	1,036		1,070
90 Days or More Past Due	4,123		3,982
Current	2,063		1,975
30-89 Days Past Due	1,036		1,070
Total	7,222		7,027
Nonaccrual [Member] | Nonfarm Nonresidential [Member]
90 Days or More Past Due	3,666		4,523
Current	2,863		2,713
Total	6,529		7,236
Nonaccrual [Member] | Construction and Land Development [Member]
30-89 Days Past Due	325		241
90 Days or More Past Due	3,212		3,145
Current	271		747
30-89 Days Past Due	325		241
Total	3,808		4,133
Nonaccrual [Member] | Commercial Loans [Member]
90 Days or More Past Due	402		402
Total	402		402
Nonaccrual [Member] | Consumer [Member]
30-89 Days Past Due			1
90 Days or More Past Due	25		25
Current	5
30-89 Days Past Due			1
Total	30		26
Nonaccrual [Member]
30-89 Days Past Due	1,361		1,312
90 Days or More Past Due	11,428		12,077
Current	5,202		5,435
30-89 Days Past Due	1,361		1,312
Total	17,991		18,824
One-to-Four-Family Residential [Member]
Total	151,553	[1],[2]	157,936	[1],[2]
Multifamily Residential [Member]
Total	21,138	[1],[2]	20,790	[1],[2]
Nonfarm Nonresidential [Member]
Total	142,624	[1],[2]	138,014	[1],[2]
Construction and Land Development [Member]
Total	13,158	[1],[2]	14,551	[1],[2]
Commercial Loans [Member]
Total	$ 15,833	[1],[2]	$ 16,083	[1],[2]

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

[2] Gross unearned discounts and net deferred loan costs and the allowance for loan and lease losses.

[3] Gross of, unearned discounts and net loan fees and the allowance for loan and lease losses.