Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-027002-index-headers.html | 2021-05-12 16:14:12 | |
| 0001564590-21-027002-index.html | 2021-05-12 16:14:12 | |
| 0001564590-21-027002.txt | 2021-05-12 16:14:12 | |
 0001564590-21-027002-xbrl.zip | 36110 | 2021-05-12 16:14:12 |
| FilingSummary.xml | 1727 | 2021-05-12 16:14:12 |
| Financial_Report.xlsx | 5674 | 2021-05-12 16:14:12 |
| gldd-20210512.xsd | 5688 | 2021-05-12 16:14:12 |
| gldd-20210512_lab.xml | 18717 | 2021-05-12 16:14:12 |
| gldd-20210512_pre.xml | 11092 | 2021-05-12 16:14:12 |
| gldd-8k_20210512.htm | 37049 | 2021-05-12 16:14:12 |
| gldd-8k_20210512_htm.xml | 3440 | 2021-05-12 16:14:12 |
| gldd-ex991_56.htm | 13939 | 2021-05-12 16:14:12 |
 gn2r14wmhtoj000001.jpg | 23480 | 2021-05-12 16:14:12 |
 grr1wbls0yeg000001.jpg | 24841 | 2021-05-12 16:14:12 |
| MetaLinks.json | 18531 | 2021-05-12 16:14:12 |
| R1.htm | 38620 | 2021-05-12 16:14:12 |
| report.css | 2767 | 2021-05-12 16:14:12 |
| Show.js | 1085 | 2021-05-12 16:14:12 |