Note 12 - Deposits (Details) - Scheduled Maturities of Time Deposits (USD $)	Mar. 31, 2015	Dec. 31, 2014
Note 12 - Deposits (Details) - Scheduled Maturities of Time Deposits [Line Items]
Three months or less	$ 12,785,000
Over three months through one year	40,853,000
Over one year through three years	41,603,000
Over three years to five years	15,483,000
Total time deposits	137,404,844us-gaap_TimeDeposits	142,808,182us-gaap_TimeDeposits
Total time deposits	110,723,881us-gaap_TimeDeposits100000OrMore	111,523,043us-gaap_TimeDeposits100000OrMore
Less than $100,000 [Member]
Note 12 - Deposits (Details) - Scheduled Maturities of Time Deposits [Line Items]
Three months or less	23,424,000
Over three months through one year	54,680,000
Over one year through three years	48,972,000
Over three years to five years	10,329,000
Total time deposits	137,405,000
Total Time Deposits [Member]
Note 12 - Deposits (Details) - Scheduled Maturities of Time Deposits [Line Items]
Three months or less	36,209,000
Over three months through one year	95,533,000
Over one year through three years	90,575,000
Over three years to five years	25,812,000
Total time deposits	$ 248,129,000

Value of contractual time deposits $100,000 or more which mature after one year and before three years.

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Value of contractual time deposits $100,000 or more which mature after three months and before one year.

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Value of time deposits $100,000 or more which mature after one year and before three years.

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Value of time deposits $100,000 or more which mature in three months or less.

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The amount of contractual maturities of domestic and foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more, for three months or less from the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6479006&loc=d3e64164-112818

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Industry Guide

-Number 3

-Section V

-Paragraph D

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Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

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