Note 14 - Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

				Weighted-Average
	Shares			Grant-date Fair Value
Nonvested at January 1, 2018		33,400		$	27.70
Granted		14,750			30.90
Vested		(8,400	)		23.53
Forfeited		(2,500	)		27.17
Nonvested as of December 31, 2018		37,250		$	29.94