6. Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Computation of earnings per share

	Three Months Ended
	March 31,
	2020		2019
	(In thousands)
Weighted average number of common shares outstanding during the period used to compute basic earnings per share		22,539		22,242
		$
Incremental common shares attributable to exercise of outstanding options and warrants		1,340		2,017
		$
Weighted average number of common shares used to compute diluted earnings per share		23,879		24,259