CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME
Net (loss)/income	$ (316)	$ 3,238	$ (801)	$ 4,965
Other comprehensive income items:
Actuarial gain	28	19	84	58
Income tax expense on actuarial gain	(6)	(4)	(18)	(12)
Other comprehensive income:
Retirement benefits adjustments, net of income taxes	22	15	66	46
Total comprehensive (loss)/income	$ (294)	$ 3,253	$ (735)	$ 5,011