Note 14 - New Accounting Pronouncements (Details) - USD ($)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Provision for Income Taxes [Member]
Note 14 - New Accounting Pronouncements (Details) [Line Items]
Amortization Method Qualified Affordable Housing Project Investments, Amortization	$ 885,480	$ 885,480

Amount of amortization expense of investment in qualified affordable housing projects.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=49127445&loc=SL49122993-202985

Name:	us-gaap_AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration