Note 4 - Loans and Allowance for Loan Losses (Details) - Recorded Investment in Loans (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 8,112,000	$ 10,974,000	$ 8,740,325	$ 10,613,000
Allowance for loan losses, ending balance: individually evaluated for impairment	1,099,000		1,099,000		1,367,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	7,278,000		7,278,000		7,373,000
Loans:
Loans, ending balance: individually evaluated for impairment	17,776,000		17,776,000		17,277,000
Loans, ending balance: collectively evaluated for impairment	450,391,000		450,391,000		457,132,000
Provision charged to expense	250,000	2,100,000	650,000	3,000,000
Losses charged off	(94,000)	(35,000)	(1,184,000)	(640,000)
Recoveries	109,000	87,000	171,000	153,000
Balance	8,377,284	13,126,000	8,377,284	13,126,000
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	2,253,000	3,239,000	2,525,000	2,508,000
Allowance for loan losses, ending balance: individually evaluated for impairment	152,000		152,000		608,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	1,847,000		1,847,000		2,087,000
Loans:
Loans, ending balance: individually evaluated for impairment	5,934,000		5,934,000		6,275,000
Loans, ending balance: collectively evaluated for impairment	40,345,000		40,345,000		42,642,000
Provision charged to expense	(282,000)	(877,000)	(126,000)	(156,000)
Losses charged off	0	0	(438,000)	0
Recoveries	28,000	6,000	38,000	16,000
Balance	1,999,000	2,368,000	1,999,000	2,368,000
Real Estate Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,911,000	2,620,000	2,517,000	2,725,000
Allowance for loan losses, ending balance: individually evaluated for impairment	0		0		180,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	2,026,000		2,026,000		2,167,000
Loans:
Loans, ending balance: individually evaluated for impairment	5,127,000		5,127,000		5,673,000
Loans, ending balance: collectively evaluated for impairment	158,582,000		158,582,000		162,088,000
Provision charged to expense	115,000	1,736,000	(305,000)	2,095,000
Losses charged off	0	0	(186,000)	(478,000)
Recoveries	0	24,000	0	38,000
Balance	2,026,000	4,380,000	2,026,000	4,380,000
One to Four Family Units [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,234,000	1,606,000	1,316,000	1,735,000
Allowance for loan losses, ending balance: individually evaluated for impairment	5,000		5,000		90,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	1,224,000		1,224,000		1,226,000
Loans:
Loans, ending balance: individually evaluated for impairment	2,480,000		2,480,000		2,360,000
Loans, ending balance: collectively evaluated for impairment	95,125,000		95,125,000		97,022,000
Provision charged to expense	66,000	(34,000)	40,000	(58,000)
Losses charged off	(74,000)	0	(134,000)	(108,000)
Recoveries	3,000	2,000	7,000	5,000
Balance	1,229,000	1,574,000	1,229,000	1,574,000
Multi-Family Units [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	285,000	389,000	284,000	390,000
Allowance for loan losses, ending balance: individually evaluated for impairment	0		0		0
Allowance for loan losses, ending balance: collectively evaluated for impairment	291,000		291,000		284,000
Loans:
Loans, ending balance: individually evaluated for impairment	0		0		0
Loans, ending balance: collectively evaluated for impairment	47,462,000		47,462,000		46,405,000
Provision charged to expense	6,000	26,000	7,000	25,000
Losses charged off	0	0	0	0
Recoveries	0	0	0	0
Balance	291,000	415,000	291,000	415,000
Commercial Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,460,000	1,816,000	1,689,000	1,948,000
Allowance for loan losses, ending balance: individually evaluated for impairment	894,000		894,000		441,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	1,171,000		1,171,000		1,248,000
Loans:
Loans, ending balance: individually evaluated for impairment	3,835,000		3,835,000		2,555,000
Loans, ending balance: collectively evaluated for impairment	92,199,000		92,199,000		92,672,000
Provision charged to expense	542,000	2,156,000	651,000	1,993,000
Losses charged off	0	(20,000)	(373,000)	(20,000)
Recoveries	63,000	45,000	98,000	76,000
Balance	2,065,000	3,997,000	2,065,000	3,997,000
Consumer and Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	275,000	387,000	255,000	372,000
Allowance for loan losses, ending balance: individually evaluated for impairment	48,000		48,000		48,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	219,000		219,000		207,000
Loans:
Loans, ending balance: individually evaluated for impairment	400,000		400,000		414,000
Loans, ending balance: collectively evaluated for impairment	16,678,000		16,678,000		16,303,000
Provision charged to expense	(3,000)	(25,000)	37,000	1,000
Losses charged off	(20,000)	(15,000)	(53,000)	(34,000)
Recoveries	15,000	10,000	28,000	18,000
Balance	267,000	357,000	267,000	357,000
Unallocated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	694,000	917,000	154,000	935,000
Allowance for loan losses, ending balance: individually evaluated for impairment	0		0		0
Allowance for loan losses, ending balance: collectively evaluated for impairment	500,000		500,000		154,000
Loans:
Loans, ending balance: individually evaluated for impairment	0		0		0
Loans, ending balance: collectively evaluated for impairment	0		0		0
Provision charged to expense	(194,000)	(882,000)	346,000	(900,000)
Losses charged off	0	0	0	0
Recoveries	0	0	0	0
Balance	$ 500,000	$ 35,000	$ 500,000	$ 35,000