Annual report pursuant to Section 13 and 15(d)

Operating Segments - Summarized Segment Financial Information (Details)

v3.21.1
Operating Segments - Summarized Segment Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]                      
Revenue $ 57,561 $ 54,869 $ 59,974 $ 78,555 $ 79,445 $ 75,802 $ 80,456 $ 67,605 $ 250,959 $ 303,308 $ 221,247
Gross profit (loss) (7,977) $ (7,817) $ (1,703) $ (254) (13,269) $ (2,685) $ (1,598) $ 553 (17,751) (16,999) (7,196)
Operating income (loss)                 (27,159) (50,021) (19,665)
Depreciation and amortization expense                 8,617 9,564 10,350
Capital expenditures                 11,212 3,790 3,481
Total assets 231,343       252,777       231,343 252,777 258,290
Shipyard                      
Segment Reporting Information [Line Items]                      
Revenue                 153,698 168,466 96,424
F&S                      
Segment Reporting Information [Line Items]                      
Revenue                 99,485 137,169 126,695
Operating Segments | Shipyard                      
Segment Reporting Information [Line Items]                      
Revenue                 153,698 168,466 96,424
Gross profit (loss)                 (19,274) (16,025) (10,472)
Operating income (loss)                 (24,343) (26,428) (14,396)
Depreciation and amortization expense                 3,254 4,167 4,229
Capital expenditures                 6,499 1,827 2,003
Total assets 121,992       103,409       121,992 103,409 97,197
Operating Segments | F&S                      
Segment Reporting Information [Line Items]                      
Revenue                 99,485 137,169 126,695
Gross profit (loss)                 1,523 (657) 4,607
Operating income (loss)                 5,893 (13,696) 4,558
Depreciation and amortization expense                 5,061 4,984 5,826
Capital expenditures                 4,522 1,963 1,460
Total assets 54,966       77,402       54,966 77,402 102,719
Corporate                      
Segment Reporting Information [Line Items]                      
Revenue                 (2,224) (2,327) (1,872)
Gross profit (loss)                   (317) (1,331)
Operating income (loss)                 (8,709) (9,897) (9,827)
Depreciation and amortization expense                 302 413 295
Capital expenditures                 191   18
Total assets $ 54,385       $ 71,966       $ 54,385 $ 71,966 $ 58,374