Note 13 - Borrowed Money (Details) - FHLB Advances Outstanding $ in Thousands	Dec. 31, 2015 USD ($)
Federal Home Loan Bank, Advances [Line Items]
Amount	$ 37,000
Maturity Overnight [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	0.49%
Amount	$ 24,000
Matures December 27, 2016 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	0.74%
Amount	$ 1,000
Matures June 26, 2017 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	0.95%
Amount	$ 2,000
Matures June 29, 2017 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	0.93%
Amount	$ 1,000
Matures June 22, 2018 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	1.33%
Amount	$ 1,000
Matures June 25, 2018 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	1.36%
Amount	$ 2,000
Matures June 29, 2018 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	1.34%
Amount	$ 1,000
Matures July 8, 2019 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	1.62%
Amount	$ 2,000
Matures June 29, 2020 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	1.98%
Amount	$ 2,000
Matures July 6, 2020 [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rate	1.89%
Amount	$ 1,000