Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net (loss) earnings	$ (8,743)	$ 20,709
Other comprehensive income (loss):
Currency translation adjustment, net of taxes of $9 and $51	2,603	(6,098)
Unrealized holding losses on marketable securities arising during the period, net of taxes of ($0) and ($85)		(133)
Change in unfunded SERP liability, net of taxes of ($422) and $954	(1,367)	1,018
Other comprehensive income (loss):	1,236	(5,213)
Comprehensive (loss) income	$ (7,507)	$ 15,496