Note 11 - Deposits (Details) - Scheduled Maturities of All Time Deposits - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Amounts due in:
One year or less	$ 96,928
One to three years	72,010
Three to five years	55,129
Total certificates of deposit	$ 224,067	$ 244,749

Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Name:	us-gaap_TimeDepositMaturitiesYearOne
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant