Note 9 - Servicing Rights (Details) - Servicing Rights Activity - 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]
Servicing Asset at Amortized Cost [Line Items]
Servicing rights portfolio, net of valuation allowance, beginning of period	$ 2,234	$ 2,406	$ 2,248	$ 2,431
Servicing rights portfolio, net of valuation allowance, end of period	2,207	2,384	2,207	2,384
Capitalized servicing rights	136	127	262	242
Servicing rights portfolio amortization and impairment	(163)	(149)	(303)	(289)
SBA Servicing Rights [Member]
Servicing Asset at Amortized Cost [Line Items]
Servicing rights portfolio, net of valuation allowance, beginning of period	118	90	77	64
Servicing rights portfolio, net of valuation allowance, end of period	135	87	135	87
Capitalized servicing rights	26		69	31
Servicing rights portfolio amortization and impairment	$ (9)	$ (3)	$ (11)	$ (8)