Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total net sales	$ 115,488	$ 98,794
Total cost of sales	92,197	82,347
Gross profit	23,291	16,447
Selling and administrative expenses	21,423	17,298
Amortization expense	1,365	1,436
Operating profit (loss)	503	(2,287)
Interest expense - net	1,388	370
Other expense (income) - net	1,827	(563)
Loss before income taxes	(2,712)	(2,094)
Income tax benefit	(541)	(508)
Net loss	(2,171)	(1,586)
Net loss attributable to noncontrolling interest	(19)	(20)
Net loss attributable to L.B. Foster Company	$ (2,152)	$ (1,566)
Basic loss per common share (usd per share)	$ (0.20)	$ (0.15)
Diluted loss per common share (usd per share)	$ (0.20)	$ (0.15)
Sales of goods
Total net sales	$ 98,538	$ 84,421
Total cost of sales	78,065	69,845
Sales of services
Total net sales	16,950	14,373
Total cost of sales	$ 14,132	$ 12,502