Note 7 - Premises and Equipment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Note 7 - Premises and Equipment (Details) [Line Items]
Depreciation	$ 3,100	$ 2,400	$ 2,100
Property, Plant and Equipment, Gross	60,016	47,624
Construction in Progress Land Purchased	$ 3,200
Number of Specific Store Locations	3
Cost of Completion	$ 18,100
Construction in Progress [Member]
Note 7 - Premises and Equipment (Details) [Line Items]
Property, Plant and Equipment, Gross	$ 4,471	$ 4,406