Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-050073-index-headers.html | 2021-10-04 17:25:09 | |
| 0001564590-21-050073-index.html | 2021-10-04 17:25:09 | |
| 0001564590-21-050073.txt | 2021-10-04 17:25:09 | |
 0001564590-21-050073-xbrl.zip | 55301 | 2021-10-04 17:25:09 |
| FilingSummary.xml | 1754 | 2021-10-04 17:25:09 |
| Financial_Report.xlsx | 5674 | 2021-10-04 17:25:09 |
| gldd-20210929.xsd | 5597 | 2021-10-04 17:25:09 |
| gldd-20210929_lab.xml | 18582 | 2021-10-04 17:25:09 |
| gldd-20210929_pre.xml | 10956 | 2021-10-04 17:25:09 |
| gldd-8k_20210929.htm | 39991 | 2021-10-04 17:25:09 |
| gldd-8k_20210929_htm.xml | 3434 | 2021-10-04 17:25:09 |
| gldd-ex101_6.htm | 122717 | 2021-10-04 17:25:09 |
| gldd-ex991_7.htm | 14391 | 2021-10-04 17:25:09 |
 gs02w2q0mkup000001.jpg | 23480 | 2021-10-04 17:25:09 |
 gylh42bq1tyu000001.jpg | 24574 | 2021-10-04 17:25:09 |
| MetaLinks.json | 17844 | 2021-10-04 17:25:09 |
| R1.htm | 38584 | 2021-10-04 17:25:09 |
| report.css | 2767 | 2021-10-04 17:25:09 |
| Show.js | 1085 | 2021-10-04 17:25:09 |