Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-057535-index-headers.html | 2021-11-18 07:00:30 | |
| 0001564590-21-057535-index.html | 2021-11-18 07:00:30 | |
| 0001564590-21-057535.txt | 2021-11-18 07:00:30 | |
 0001564590-21-057535-xbrl.zip | 37208 | 2021-11-18 07:00:30 |
| FilingSummary.xml | 1720 | 2021-11-18 07:00:30 |
| Financial_Report.xlsx | 5675 | 2021-11-18 07:00:30 |
 gbtxhansuxd0000001.jpg | 23480 | 2021-11-18 07:00:30 |
 gebp3vgmoy5s000001.jpg | 24574 | 2021-11-18 07:00:30 |
| gldd-20211115.xsd | 5597 | 2021-11-18 07:00:30 |
| gldd-20211115_lab.xml | 18580 | 2021-11-18 07:00:30 |
| gldd-20211115_pre.xml | 10954 | 2021-11-18 07:00:30 |
| gldd-8k_20211115.htm | 39141 | 2021-11-18 07:00:30 |
| gldd-8k_20211115_htm.xml | 3434 | 2021-11-18 07:00:30 |
| gldd-ex991_8.htm | 20422 | 2021-11-18 07:00:30 |
| MetaLinks.json | 17842 | 2021-11-18 07:00:30 |
| R1.htm | 38583 | 2021-11-18 07:00:30 |
| report.css | 2767 | 2021-11-18 07:00:30 |
| Show.js | 1085 | 2021-11-18 07:00:30 |