6. Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings per share:

Schedule of computation of basic and diluted earnings per share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
	(In thousands)				(In thousands)
Weighted average number of common shares outstanding during the period used to compute basic earnings per share		21,178		23,076		21,375		23,296
Incremental common shares attributable to exercise of outstanding options and warrants		3,945		4,526		4,018		4,728
Weighted average number of common shares used to compute diluted earnings per share		25,123		27,602		25,393		28,024