Note 9 - Servicing Rights (Details) - Valuation Allowance for Impairment of Servicing Rights - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Mortgage Servicing Rights [Member]
Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items]
Valuation allowance, beginning of period	$ 21	$ 31	$ 21	$ 31
Additions charged (reductions credited) to operations, net	1	2	1	2
Valuation allowance, end of period	22	33	22	33
SBA Servicing Rights [Member]
Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items]
Valuation allowance, beginning of period	11	11	12	8
Additions charged (reductions credited) to operations, net	2	(2)	1	1
Valuation allowance, end of period	$ 13	$ 9	$ 13	$ 9