Note 12 - Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Weighted Average Number of Shares [Table Text Block]

	Years Ended December 31,
	2021		2020		2019
Basic weighted average common shares outstanding during the year		7,524		7,484		7,424
Weighted average common equivalent shares due to stock options and restricted stock units		91		84		92
Diluted weighted average common shares outstanding during the year		7,615		7,568		7,516