Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net loss	$ (1,128)	$ (2,274)	$ (456)	$ (4,253)
Unrealized foreign currency translation adjustment	1	13	26	26
Realized pension and postretirement obligations	12	5	24	10
Other	68	0	183	0
Comprehensive loss	$ (1,047)	$ (2,256)	$ (223)	$ (4,217)