Note 4 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Allowance for loan losses:
Allowance for loan losses, beginning of period	$ 6,788,000	$ 8,377,000	$ 7,801,600	$ 8,740,000
Allowance for loan losses, end of period	6,537,697	8,473,000	6,537,697	8,473,000
Provision charged to expense	450,000	200,000	975,000	850,000
Losses charged off	(835,000)	(140,000)	(2,441,000)	(1,324,000)
Recoveries	135,000	36,000	202,000	207,000
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	833,000		833,000		1,601,000
Allowance for loan losses ending balance: collectively evaluated for impairment	5,705,000		5,705,000		6,201,000
Loans:
Loans ending balance: individually evaluated for impairment	7,261,000		7,261,000		16,171,000
Loans ending balance: collectively evaluated for impairment	466,003,000		466,003,000		456,186,000
Construction [Member]
Allowance for loan losses:
Allowance for loan losses, beginning of period	1,879,000	1,999,000	2,387,000	2,525,000
Allowance for loan losses, end of period	1,636,000	2,458,000	1,636,000	2,458,000
Provision charged to expense	(244,000)	571,000	(548,000)	445,000
Losses charged off		(117,000)	(207,000)	(555,000)
Recoveries	1,000	5,000	4,000	43,000
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	574,000		574,000		890,000
Allowance for loan losses ending balance: collectively evaluated for impairment	1,062,000		1,062,000		1,497,000
Loans:
Loans ending balance: individually evaluated for impairment	3,378,000		3,378,000		4,530,000
Loans ending balance: collectively evaluated for impairment	35,976,000		35,976,000		38,736,000
Real Estate Commercial [Member]
Allowance for loan losses:
Allowance for loan losses, beginning of period	2,284,000	2,026,000	2,059,000	2,517,000
Allowance for loan losses, end of period	1,965,000	2,002,000	1,965,000	2,002,000
Provision charged to expense	(418,000)	(24,000)	(184,000)	(329,000)
Losses charged off			(9,000)	(186,000)
Recoveries	99,000		99,000
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	185,000		185,000
Allowance for loan losses ending balance: collectively evaluated for impairment	1,780,000		1,780,000		2,059,000
Loans:
Loans ending balance: individually evaluated for impairment	473,000		473,000		3,663,000
Loans ending balance: collectively evaluated for impairment	201,351,000		201,351,000		175,417,000
One to Four Family Units [Member]
Allowance for loan losses:
Allowance for loan losses, beginning of period	1,014,000	1,229,000	997,000	1,316,000
Allowance for loan losses, end of period	906,000	1,050,000	906,000	1,050,000
Provision charged to expense	(84,000)	(178,000)	30,000	(138,000)
Losses charged off	(27,000)	(6,000)	(127,000)	(140,000)
Recoveries	3,000	5,000	6,000	12,000
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	48,000		48,000		8,000
Allowance for loan losses ending balance: collectively evaluated for impairment	858,000		858,000		989,000
Loans:
Loans ending balance: individually evaluated for impairment	888,000		888,000		886,000
Loans ending balance: collectively evaluated for impairment	96,736,000		96,736,000		92,912,000
Multi-Family Units [Member]
Allowance for loan losses:
Allowance for loan losses, beginning of period	146,000	291,000	209,000	284,000
Allowance for loan losses, end of period	116,000	220,000	116,000	220,000
Provision charged to expense	(30,000)	(71,000)	(93,000)	(64,000)
Allowance for loan losses:
Allowance for loan losses ending balance: collectively evaluated for impairment	116,000		116,000		209,000
Loans:
Loans ending balance: individually evaluated for impairment	413,000		413,000
Loans ending balance: collectively evaluated for impairment	30,803,000		30,803,000		46,188,000
Commercial Loans [Member]
Allowance for loan losses:
Allowance for loan losses, beginning of period	1,244,000	2,065,000	1,519,000	1,689,000
Allowance for loan losses, end of period	1,609,000	1,884,000	1,609,000	1,884,000
Provision charged to expense	1,135,000	(189,000)	2,049,000	462,000
Losses charged off	(792,000)		(2,014,000)	(373,000)
Recoveries	22,000	8,000	55,000	106,000
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment					601,000
Allowance for loan losses ending balance: collectively evaluated for impairment	1,609,000		1,609,000		918,000
Loans:
Loans ending balance: individually evaluated for impairment	1,085,000		1,085,000		6,776,000
Loans ending balance: collectively evaluated for impairment	85,008,000		85,008,000		85,946,000
Consumer and Other Loans [Member]
Allowance for loan losses:
Allowance for loan losses, beginning of period	221,000	267,000	272,000	255,000
Allowance for loan losses, end of period	211,000	216,000	211,000	216,000
Provision charged to expense	(4,000)	(52,000)	(15,000)	(15,000)
Losses charged off	(16,000)	(17,000)	(84,000)	(70,000)
Recoveries	10,000	18,000	38,000	46,000
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	26,000		26,000		102,000
Allowance for loan losses ending balance: collectively evaluated for impairment	185,000		185,000		170,000
Loans:
Loans ending balance: individually evaluated for impairment	1,024,000		1,024,000		316,000
Loans ending balance: collectively evaluated for impairment	16,129,000		16,129,000		16,987,000
Unallocated [Member]
Allowance for loan losses:
Allowance for loan losses, beginning of period		500,000	359,000	154,000
Allowance for loan losses, end of period	95,000	643,000	95,000	643,000
Provision charged to expense	95,000	143,000	(264,000)	489,000
Allowance for loan losses:
Allowance for loan losses ending balance: collectively evaluated for impairment	$ 95,000		$ 95,000		$ 359,000