Note 5 - Loans (Details) - Troubled Debt Restructurings With Subsequent Default $ in Thousands	3 Months Ended
	Mar. 31, 2015 USD ($)
Note 5 - Loans (Details) - Troubled Debt Restructurings With Subsequent Default [Line Items]
Number of contracts	1
Recorded Investment	$ 52
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Individual Tax Identification Number Loan [Member]
Note 5 - Loans (Details) - Troubled Debt Restructurings With Subsequent Default [Line Items]
Number of contracts	1
Recorded Investment	$ 52