Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Stock-Based Compensation

Stock-based compensation expense

	For the three months ended June 30,				For the six months ended June 30,
	2022		2021		2022		2021
	(in thousands)				(in thousands)
Stock options	$	250	$	135	$	399	$	362
Restricted stock units		256		70		304		(16)
Performance stock units		94		-		94		-
Deferred stock units		(207)		(8)		370		335
Total	$	393	$	197	$	1,167	$	681