Quarterly report pursuant to Section 13 or 15(d)

Shipyard Transaction and Discontinued Operations - Summary of Operating Results Constituting Loss Form Discontinued Operations (Details)

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Shipyard Transaction and Discontinued Operations - Summary of Operating Results Constituting Loss Form Discontinued Operations (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Discontinued Operations And Disposal Groups [Abstract]        
Revenue $ 6,471 $ 27,986 $ 41,637 $ 68,862
Cost of revenue 6,406 28,961 33,912 69,623
Gross profit (loss) 65 (975) 7,725 (761)
General and administrative expense 73 352 413 785
Impairments and (gain) loss on assets held for sale 1,903   25,331  
Other (income) expense, net (660)   (647) 100
Operating loss (1,251) (1,327) (17,372) (1,646)
Loss from discontinued operations, net of taxes $ (1,251) $ (1,327) $ (17,372) $ (1,646)