Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Stock-Based Compensation

Stock-based compensation expense

	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
	(in thousands)				(in thousands)
Stock options	$	74	$	140	$	436	$	535
Restricted stock units		87		165		71		640
Deferred stock units		(131)		-		204		-
Total	$	30	$	305	$	711	$	1,175