Note 5 - Loans (Details) - Allowance for Loan Losses (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Note 5 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	$ 16,485	$ 17,825
Provision for loan losses		350
Loan charge-offs	476	948
Loan recoveries	234	243
Net loans charged-off	242	705
Allowance for loan losses, end of period	16,243	17,470
Loans, gross, individually evaluated for impairment	43,382	43,144
Loans, gross, collectively evaluated for impairment	712,496	687,620
Loans, gross	755,878	730,764	767,513
Allowance for loan losses, individually evaluated for impairment	2,470	3,093
Allowance for loan losses, collectively evaluated for impairment	13,773	14,377
Commercial Real Estate Loans [Member]
Note 5 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	10,565	12,317
Provision for loan losses	48	(270)
Loan charge-offs	161	464
Loan recoveries	5	31
Net loans charged-off	156	433
Allowance for loan losses, end of period	10,457	11,614
Loans, gross, individually evaluated for impairment	39,211	36,989
Loans, gross, collectively evaluated for impairment	405,942	419,021
Loans, gross	445,153	456,010
Allowance for loan losses, individually evaluated for impairment	1,838	1,995
Allowance for loan losses, collectively evaluated for impairment	8,619	9,619
Single Family Residential [Member]
Note 5 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	3,124	3,140
Provision for loan losses	(37)	(101)
Loan charge-offs	104	133
Loan recoveries	91	43
Net loans charged-off	13	90
Allowance for loan losses, end of period	3,074	2,949
Loans, gross, individually evaluated for impairment	1,772	3,056
Loans, gross, collectively evaluated for impairment	174,682	163,333
Loans, gross	176,454	166,389	178,125
Allowance for loan losses, individually evaluated for impairment	151	214
Allowance for loan losses, collectively evaluated for impairment	2,923	2,735
Commercial And Industrial [Member]
Note 5 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	1,682	1,264
Provision for loan losses	(171)	655
Loan charge-offs		39
Loan recoveries	12	10
Net loans charged-off	(12)	29
Allowance for loan losses, end of period	1,523	1,890
Loans, gross, individually evaluated for impairment	2,376	3,062
Loans, gross, collectively evaluated for impairment	70,101	46,558
Loans, gross	72,477	49,620
Allowance for loan losses, individually evaluated for impairment	478	880
Allowance for loan losses, collectively evaluated for impairment	1,045	1,010
Consumer [Member]
Note 5 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	1,118	1,093
Provision for loan losses	35	(17)
Loan charge-offs	56	97
Loan recoveries	31	34
Net loans charged-off	25	63
Allowance for loan losses, end of period	1,128	1,013
Loans, gross, individually evaluated for impairment	23	37
Loans, gross, collectively evaluated for impairment	51,296	49,014
Loans, gross	51,319	49,051	50,099
Allowance for loan losses, individually evaluated for impairment	3	4
Allowance for loan losses, collectively evaluated for impairment	1,125	1,009
All Other [Member]
Note 5 - Loans (Details) - Allowance for Loan Losses [Line Items]
Allowance for loan losses, beginning of period	(4)	11
Provision for loan losses	125	83
Loan charge-offs	155	215
Loan recoveries	95	125
Net loans charged-off	60	90
Allowance for loan losses, end of period	61	4
Loans, gross, individually evaluated for impairment	0	0
Loans, gross, collectively evaluated for impairment	10,475	9,694
Loans, gross	10,475	9,694
Allowance for loan losses, individually evaluated for impairment	0	0
Allowance for loan losses, collectively evaluated for impairment	$ 61	$ 4

Allowance for loan and lease losses write offs net of recoveries.

No definition available.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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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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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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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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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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