Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenues	$ 194,144	$ 142,249	$ 370,582	$ 283,421
Cost of revenues	168,206	124,106	319,194	244,097
Selling, general and administrative expenses	24,330	22,980	48,763	43,891
Other operating income, net	(80)	(1,590)	(30)	(1,864)
Impairment	7,905	0	7,905	0
Operating loss	(6,217)	(3,247)	(5,250)	(2,703)
Foreign currency exchange (gain) loss	(583)	224	(519)	(108)
Interest expense, net	1,638	2,164	2,844	4,572
Loss on extinguishment of debt	0	0	0	790
Loss before income taxes	(7,272)	(5,635)	(7,575)	(7,957)
Provision (benefit) for income taxes	480	363	(2,344)	3,403
Net loss	$ (7,752)	$ (5,998)	$ (5,231)	$ (11,360)
Net loss per common share - basic (in dollars per share)	$ (0.08)	$ (0.07)	$ (0.06)	$ (0.12)
Net loss per common share - diluted (in dollars per share)	$ (0.08)	$ (0.07)	$ (0.06)	$ (0.12)