Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-025841-index-headers.html | 2021-05-10 10:59:24 | |
| 0001564590-21-025841-index.html | 2021-05-10 10:59:24 | |
| 0001564590-21-025841.txt | 2021-05-10 10:59:24 | |
 0001564590-21-025841-xbrl.zip | 35816 | 2021-05-10 10:59:24 |
| FilingSummary.xml | 1726 | 2021-05-10 10:59:24 |
| Financial_Report.xlsx | 5674 | 2021-05-10 10:59:24 |
 gdudps20zwjr000001.jpg | 23480 | 2021-05-10 10:59:24 |
| gldd-20210510.xsd | 5688 | 2021-05-10 10:59:24 |
| gldd-20210510_lab.xml | 18717 | 2021-05-10 10:59:24 |
| gldd-20210510_pre.xml | 11092 | 2021-05-10 10:59:24 |
| gldd-8k_20210510.htm | 37470 | 2021-05-10 10:59:24 |
| gldd-8k_20210510_htm.xml | 3440 | 2021-05-10 10:59:24 |
| gldd-ex991_6.htm | 11623 | 2021-05-10 10:59:24 |
 gmf1otr4xtwr000001.jpg | 24841 | 2021-05-10 10:59:24 |
| MetaLinks.json | 18531 | 2021-05-10 10:59:24 |
| R1.htm | 38620 | 2021-05-10 10:59:24 |
| report.css | 2767 | 2021-05-10 10:59:24 |
| Show.js | 1085 | 2021-05-10 10:59:24 |