Note 7 - Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Weighted average number of shares used in computation of basic earnings per share add:		51,043		50,800		51,040		50,757
Additional shares from the assumed exercise of employee stock options		319		294		408		301
Weighted average number of shares used in computation of diluted earnings per share		51,362		51,094		51,448		51,058