Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Schedule of segment reporting

	Three months ended				Six months ended
	June 30,				June 30,
		2023		2022		2023		2022
Marine
Contract revenues	$	100,543	$	82,319	$	179,841	$	166,799
Operating income (loss)	$	3,492	$	2,516	$	(2,588)	$	4,356
Depreciation and amortization expense	$	(3,812)	$	(4,236)	$	(7,647)	$	(8,559)
Total assets	$	265,913	$	219,138	$	265,913	$	219,138
Property and equipment, net	$	84,251	$	92,813	$	84,251	$	92,813
Concrete
Contract revenues	$	81,991	$	112,256	$	161,867	$	202,707
Operating loss	$	(1,453)	$	(5,364)	$	(6,016)	$	(10,059)
Depreciation and amortization expense	$	(1,531)	$	(1,862)	$	(3,142)	$	(3,802)
Total assets	$	103,296	$	132,344	$	103,296	$	132,344
Property and equipment, net	$	7,542	$	11,494	$	7,542	$	11,494