Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income	$ 368	$ 654	$ (88)	$ (3,599)
Unrealized foreign currency translation adjustment	(4)	5	22	31
Realized pension and postretirement obligations	12	5	36	15
Other	19	0	202	0
Comprehensive income (loss)	$ 395	$ 664	$ 172	$ (3,553)