Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-029758-index-headers.html | 2021-05-25 16:05:51 | |
| 0001564590-21-029758-index.html | 2021-05-25 16:05:51 | |
| 0001564590-21-029758.txt | 2021-05-25 16:05:51 | |
 0001564590-21-029758-xbrl.zip | 159300 | 2021-05-25 16:05:51 |
| FilingSummary.xml | 1726 | 2021-05-25 16:05:51 |
| Financial_Report.xlsx | 5674 | 2021-05-25 16:05:51 |
| gldd-20210525.xsd | 5688 | 2021-05-25 16:05:51 |
| gldd-20210525_lab.xml | 18721 | 2021-05-25 16:05:51 |
| gldd-20210525_pre.xml | 11096 | 2021-05-25 16:05:51 |
| gldd-8k_20210525.htm | 57221 | 2021-05-25 16:05:51 |
| gldd-8k_20210525_htm.xml | 3440 | 2021-05-25 16:05:51 |
| gldd-ex41_42.htm | 1165708 | 2021-05-25 16:05:51 |
 gpmbvk0nwxv1000001.jpg | 23480 | 2021-05-25 16:05:51 |
| MetaLinks.json | 18535 | 2021-05-25 16:05:51 |
| R1.htm | 38620 | 2021-05-25 16:05:51 |
| report.css | 2767 | 2021-05-25 16:05:51 |
| Show.js | 1085 | 2021-05-25 16:05:51 |