Note 12 - Derivatives - Schedule of Derivative Instruments (Details) - Interest Rate Swap [Member] - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Derivative Asset, Notional Amount	$ 6,444	$ 5,000
Derivative, Maturity (Year)	10 years 182 days	10 years 182 days
Derivative, Fixed Rate		5.25%
Derivative Liability, Notional Amount	$ 6,444	$ 5,000
London Interbank Offered Rate (LIBOR) [Member]
Derivative, Variable Rate	1.96%	1.96%
Other Assets [Member]
Interest swap receivable	$ 680	$ 286
Other Liabilities [Member]
Derivative Liability, Fair Value	$ (680)	$ (286)
Minimum [Member]
Derivative, Fixed Rate	4.38%
Maximum [Member] | Other Assets [Member]
Derivative, Fixed Rate	5.25%
Maximum [Member] | Other Liabilities [Member]
Derivative, Fixed Rate	5.25%