Note 6 - Premises and Equipment (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Depreciation	$ 1,000,000	$ 744,000
Construction in Progress Expenditures Incurred but Not yet Paid	1,000,000
Construction in Progress, Estimated Cost to Complete	$ 761,000