Note 8 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Weighted average number of shares used in computation of basic earnings per share:		56,003		51,072		55,995		51,051
Additional shares from the assumed exercise of employee stock awards		295		210		418		335
Weighted average number of shares used in computation of diluted earnings per share		56,298		51,282		56,413		51,386