Note 6 - Loans (Details) - Allowance for Loan Losses - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Note 6 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	$ 12,914	$ 16,243	$ 12,920	$ 16,485
Provision for loan losses	(950)		(550)
Loan charge-offs	324	1,014	1,029	1,490
Loan recoveries	(1,149)	(367)	(1,448)	(601)
Net loans charged-off	(825)	647	(419)	889
Allowance for loan losses, end of period	12,789	15,596	12,789	15,596
Allowance for loan losses, individually evaluated for impairment	2,869	2,025	2,869	2,025
Allowance for loan losses, collectively evaluated for impairment	9,920	13,571	9,920	13,571
Loans, gross, individually evaluated for impairment	31,108	42,673	31,108	42,673
Loans, gross, collectively evaluated for impairment	792,900	710,376	792,900	710,376
Loans, gross	824,008	753,049	824,008	753,049	$ 805,059
Commercial Real Estate Portfolio Segment [Member]
Note 6 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	7,089	10,457	7,373	10,565
Provision for loan losses	512	174	574	222
Loan charge-offs	36	618	434	779
Loan recoveries	(272)	(246)	(324)	(251)
Net loans charged-off	(236)	372	110	528
Allowance for loan losses, end of period	7,837	10,259	7,837	10,259
Allowance for loan losses, individually evaluated for impairment	2,686	1,758	2,686	1,758
Allowance for loan losses, collectively evaluated for impairment	5,151	8,501	5,151	8,501
Loans, gross, individually evaluated for impairment	29,245	38,877	29,245	38,877
Loans, gross, collectively evaluated for impairment	395,909	402,293	395,909	402,293
Loans, gross	425,154	441,170	425,154	441,170	430,025
Single Family ResidentialPortfolioSegment [Member]
Note 6 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	3,023	3,074	2,856	3,124
Provision for loan losses	(670)	109	(496)	72
Loan charge-offs		85	25	189
Loan recoveries	(737)	(14)	(755)	(105)
Net loans charged-off	(737)	71	(730)	84
Allowance for loan losses, end of period	3,090	3,112	3,090	3,112
Allowance for loan losses, individually evaluated for impairment	66	165	66	165
Allowance for loan losses, collectively evaluated for impairment	3,024	2,947	3,024	2,947
Loans, gross, individually evaluated for impairment	909	1,757	909	1,757
Loans, gross, collectively evaluated for impairment	219,970	175,422	219,970	175,422
Loans, gross	220,879	177,179	220,879	177,179	204,439
Commercial and Industrial Portfolio Segment[Member]
Note 6 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	1,240	1,523	1,047	1,682
Provision for loan losses	(108)	(307)	23	(478)
Loan charge-offs	104	145	177	145
Loan recoveries	(42)	(12)	(177)	(24)
Net loans charged-off	62	133		121
Allowance for loan losses, end of period	1,070	1,083	1,070	1,083
Allowance for loan losses, individually evaluated for impairment	115	99	115	99
Allowance for loan losses, collectively evaluated for impairment	955	984	955	984
Loans, gross, individually evaluated for impairment	941	2,023	941	2,023
Loans, gross, collectively evaluated for impairment	87,548	70,237	87,548	70,237
Loans, gross	88,489	72,260	88,489	72,260	80,927
Consumer Portfolio Segment [Member]
Note 6 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	1,322	1,128	1,338	1,118
Provision for loan losses	(743)	(180)	(731)	(145)
Loan charge-offs	44	54	89	110
Loan recoveries	(34)	(21)	(51)	(52)
Net loans charged-off	10	33	38	58
Allowance for loan losses, end of period	569	915	569	915
Allowance for loan losses, individually evaluated for impairment	2	3	2	3
Allowance for loan losses, collectively evaluated for impairment	567	912	567	912
Loans, gross, individually evaluated for impairment	13	16	13	16
Loans, gross, collectively evaluated for impairment	76,346	51,833	76,346	51,833
Loans, gross	76,359	51,849	76,359	51,849	76,984
Unallocated Financing Receivables [Member]
Note 6 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	240	61	306	(4)
Provision for loan losses	59	204	80	329
Loan charge-offs	140	112	304	267
Loan recoveries	(64)	(74)	(141)	(169)
Net loans charged-off	76	38	163	98
Allowance for loan losses, end of period	223	227	223	227
Allowance for loan losses, collectively evaluated for impairment	223	227	223	227
Loans, gross, collectively evaluated for impairment	13,127	10,591	13,127	10,591
Loans, gross	$ 13,127	$ 10,591	$ 13,127	$ 10,591	$ 12,684

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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