Quarterly report pursuant to Section 13 or 15(d)

Operating Segments - Summarized Segment Financial Information (Details)

v3.20.1
Operating Segments - Summarized Segment Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Revenue $ 78,555 $ 67,605  
Gross profit (loss) (254) 553  
Operating income (loss) 5,936 (3,282)  
Depreciation and amortization expense 2,220 2,552  
Capital expenditures 2,124 250  
Total assets 251,029 258,715 $ 252,777
Shipyard      
Segment Reporting Information [Line Items]      
Revenue 45,559 37,411  
F&S      
Segment Reporting Information [Line Items]      
Revenue 33,443 30,593  
Operating Segments | Shipyard      
Segment Reporting Information [Line Items]      
Revenue 45,559 37,411  
Gross profit (loss) (1,224) (280)  
Operating income (loss) (1,899) (904)  
Depreciation and amortization expense 787 1,109  
Capital expenditures 1,443 22  
Total assets 109,651 96,961  
Operating Segments | F&S      
Segment Reporting Information [Line Items]      
Revenue 33,443 30,593  
Gross profit (loss) 970 969  
Operating income (loss) 10,165 (251)  
Depreciation and amortization expense 1,358 1,341  
Capital expenditures 681 228  
Total assets 70,886 86,348  
Corporate      
Segment Reporting Information [Line Items]      
Revenue (447) (399)  
Gross profit (loss)   (136)  
Operating income (loss) (2,330) (2,127)  
Depreciation and amortization expense 75 102  
Total assets $ 70,492 $ 75,406