Note 8 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	Three Months Ended March 31,
	2021		2020
Weighted average number of shares used in computation of basic earnings per share:		55,988		51,036
Additional shares from the assumed exercise of employee stock awards		747		490
Weighted average number of shares used in computation of diluted earnings per share		56,735		51,526