Note 4 - Loans and Allowance for Loan Losses (Details) - Recorded Investment in Loans (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 8,377,000	$ 13,126,000	$ 8,740,325	$ 10,613,000
Allowance for loan losses, ending balance: individually evaluated for impairment	2,006,000		2,006,000		1,367,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	6,467,000		6,467,000		7,373,000
Loans:
Loans, ending balance: individually evaluated for impairment	19,078,000		19,078,000		17,277,000
Loans, ending balance: collectively evaluated for impairment	448,098,000		448,098,000		457,132,000
Provision charged to expense	200,000	2,600,000	850,000	5,600,000
Losses charged off	(140,000)	(7,357,000)	(1,324,000)	(7,997,000)
Recoveries	36,000	107,000	207,000	260,000
Balance	8,472,838	8,476,000	8,472,838	8,476,000
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,999,000	2,368,000	2,525,000	2,508,000
Allowance for loan losses, ending balance: individually evaluated for impairment	1,135,000		1,135,000		608,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	1,323,000		1,323,000		2,087,000
Loans:
Loans, ending balance: individually evaluated for impairment	5,474,000		5,474,000		6,275,000
Loans, ending balance: collectively evaluated for impairment	33,912,000		33,912,000		42,642,000
Provision charged to expense	571,000	732,000	445,000	576,000
Losses charged off	(117,000)	(1,295,000)	(555,000)	(1,295,000)
Recoveries	5,000		43,000	16,000
Balance	2,458,000	1,805,000	2,458,000	1,805,000
Real Estate Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	2,026,000	4,380,000	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	2,002,000		2,002,000		2,167,000
Loans:
Loans, ending balance: individually evaluated for impairment	5,253,000		5,253,000		5,673,000
Loans, ending balance: collectively evaluated for impairment	166,602,000		166,602,000		162,088,000
Provision charged to expense	(24,000)	(1,403,000)	(329,000)	692,000
Losses charged off	0	(507,000)	(186,000)	(985,000)
Recoveries		28,000	0	66,000
Balance	2,002,000	2,498,000	2,002,000	2,498,000
One to Four Family Units [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,229,000	1,574,000	1,316,000	1,735,000
Allowance for loan losses, ending balance: individually evaluated for impairment	1,000		1,000		90,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	1,049,000		1,049,000		1,226,000
Loans:
Loans, ending balance: individually evaluated for impairment	2,463,000		2,463,000		2,360,000
Loans, ending balance: collectively evaluated for impairment	90,951,000		90,951,000		97,022,000
Provision charged to expense	(178,000)	(251,000)	(138,000)	(309,000)
Losses charged off	(6,000)	(22,000)	(140,000)	(130,000)
Recoveries	5,000	11,000	12,000	16,000
Balance	1,050,000	1,312,000	1,050,000	1,312,000
Multi-Family Units [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	291,000	415,000	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	220,000		220,000		284,000
Loans:
Loans, ending balance: individually evaluated for impairment	0		0		0
Loans, ending balance: collectively evaluated for impairment	48,680,000		48,680,000		46,405,000
Provision charged to expense	(71,000)	(136,000)	(64,000)	(111,000)
Losses charged off	0	0	0	0
Recoveries	0	0	0	0
Balance	220,000	279,000	220,000	279,000
Commercial Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	2,065,000	3,997,000	1,689,000	1,948,000
Allowance for loan losses, ending balance: individually evaluated for impairment	826,000		826,000		441,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	1,058,000		1,058,000		1,248,000
Loans:
Loans, ending balance: individually evaluated for impairment	5,230,000		5,230,000		2,555,000
Loans, ending balance: collectively evaluated for impairment	91,763,000		91,763,000		92,672,000
Provision charged to expense	(189,000)	2,901,000	462,000	4,894,000
Losses charged off	0	(5,518,000)	(373,000)	(5,538,000)
Recoveries	8,000	58,000	106,000	134,000
Balance	1,884,000	1,438,000	1,884,000	1,438,000
Consumer and Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	267,000	357,000	255,000	372,000
Allowance for loan losses, ending balance: individually evaluated for impairment	44,000		44,000		48,000
Allowance for loan losses, ending balance: collectively evaluated for impairment	172,000		172,000		207,000
Loans:
Loans, ending balance: individually evaluated for impairment	658,000		658,000		414,000
Loans, ending balance: collectively evaluated for impairment	16,190,000		16,190,000		16,303,000
Provision charged to expense	(52,000)	(59,000)	(15,000)	(58,000)
Losses charged off	(17,000)	(15,000)	(70,000)	(49,000)
Recoveries	18,000	10,000	46,000	28,000
Balance	216,000	293,000	216,000	293,000
Unallocated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	500,000	35,000	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	643,000		643,000		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	143,000	816,000	489,000	(84,000)
Losses charged off	0	0	0	0
Recoveries	0	0	0	0
Balance	$ 643,000	$ 851,000	$ 643,000	$ 851,000