Note 3 - Loans Held for Sale (Details) - Forward Contract Positions Summary - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Forward Contract Positions Summary [Abstract]
Mortgage Loan Forward Sales Commitments	$ 78	$ 111
Mortgage Loan Forward Sales Commitments	$ 2,882	$ 4,099

The fair value as of the balance sheet date of firm holdings in all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments. Their value is derived from the values of one or more underlying assets, reference rates, or indices of asset values. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph c
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

Name:	us-gaap_FinancialInstrumentsOwnedDerivativesAndOtherContractualAgreementsAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant