CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net loss	$ (383)	$ (1,547)
Other comprehensive income items:
Actuarial gains	19	16
Income tax benefit on actuarial losses		(3)
Other comprehensive income:
Retirement benefits adjustments, net of income taxes	19	13
Total comprehensive loss	$ (364)	$ (1,534)