Quarterly report pursuant to Section 13 or 15(d)

Segment Disclosures - Summarized Segment Financial Information (Details)

v3.19.2
Segment Disclosures - Summarized Segment Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Segment Reporting Information [Line Items]          
Revenue $ 80,456 $ 54,014 $ 148,061 $ 111,304  
Gross profit (loss) (1,598) (699) (1,045) (20)  
Operating income (loss) (5,384) 724 (8,666) (4,367)  
Depreciation and amortization expense 2,422 2,593 4,974 5,308  
Capital expenditures 1,109 820 1,359 891  
Total assets 277,591 256,689 277,591 256,689 $ 258,290
Corporate          
Segment Reporting Information [Line Items]          
Revenue (3,591) (1,283) (4,806) (1,771)  
Gross profit (loss) (146) (384) (282) (769)  
Operating income (loss) (2,337) (2,946) (4,464) (5,457)  
Depreciation and amortization expense 121 112 223 216  
Capital expenditures 0 69 0 69  
Total assets 80,729 44,007 80,729 44,007  
Fabrication | Operating Segments          
Segment Reporting Information [Line Items]          
Revenue 22,415 9,472 35,046 26,815  
Gross profit (loss) (677) (1,124) (1,449) (1,651)  
Operating income (loss) (1,211) 4,212 (2,751) 1,705  
Depreciation and amortization expense 891 1,047 1,858 2,196  
Capital expenditures 131 0 145 0  
Total assets 59,607 98,526 59,607 98,526  
Shipyard | Operating Segments          
Segment Reporting Information [Line Items]          
Revenue 37,567 23,620 74,154 42,185  
Gross profit (loss) (2,912) (2,776) (3,192) (3,799)  
Operating income (loss) (3,564) (3,377) (4,468) (5,356)  
Depreciation and amortization expense 1,047 1,051 2,156 2,120  
Capital expenditures 712 653 734 659  
Total assets 106,092 81,015 106,092 81,015  
Services | Operating Segments          
Segment Reporting Information [Line Items]          
Revenue 24,065 22,205 43,667 44,075  
Gross profit (loss) 2,137 3,585 3,878 6,199  
Operating income (loss) 1,728 2,835 3,017 4,741  
Depreciation and amortization expense 363 383 737 776  
Capital expenditures 266 98 480 163  
Total assets $ 31,163 $ 33,141 $ 31,163 $ 33,141