Note 8 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Weighted average number of shares used in computation of basic earnings per share		50,933		50,645		50,816		50,627
Add:
Additional shares from the assumed exercise of employee stock options		401		318		308		358
Weighted average number of shares used in computation of diluted earnings per share		51,334		50,963		51,124		50,985