Note 16 - Income Taxes - Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets
Pre-opening expenses	$ 18	$ 28
Allowance for loan losses	689	528
Deferred compensation	286	215
Other real estate expenses	88	187
Unrealized loss on securities available for sale	216	38
Nonaccrual loan interest	20	9
Other	17	17
Deferred tax asset	1,334	1,022
Deferred tax liabilities
Property and equipment	179	230
Deferred loan fees and costs	607	613
Other		17
Deferred tax liability	786	860
Net deferred tax asset	$ 548	$ 162