Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-028701-index-headers.html | 2021-05-18 16:11:57 | |
| 0001564590-21-028701-index.html | 2021-05-18 16:11:57 | |
| 0001564590-21-028701.txt | 2021-05-18 16:11:57 | |
 0001564590-21-028701-xbrl.zip | 67239 | 2021-05-18 16:11:57 |
| FilingSummary.xml | 1727 | 2021-05-18 16:11:57 |
| Financial_Report.xlsx | 5675 | 2021-05-18 16:11:57 |
 gdrm22ipyfxz000001.jpg | 23480 | 2021-05-18 16:11:57 |
| gldd-20210512.xsd | 5688 | 2021-05-18 16:11:57 |
| gldd-20210512_lab.xml | 18719 | 2021-05-18 16:11:57 |
| gldd-20210512_pre.xml | 11094 | 2021-05-18 16:11:57 |
| gldd-8k_20210512.htm | 47813 | 2021-05-18 16:11:57 |
| gldd-8k_20210512_htm.xml | 3440 | 2021-05-18 16:11:57 |
| gldd-ex101_33.htm | 249349 | 2021-05-18 16:11:57 |
 guhatut3q5ta000001.jpg | 13529 | 2021-05-18 16:11:57 |
| MetaLinks.json | 18533 | 2021-05-18 16:11:57 |
| R1.htm | 38620 | 2021-05-18 16:11:57 |
| report.css | 2767 | 2021-05-18 16:11:57 |
| Show.js | 1085 | 2021-05-18 16:11:57 |