Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000070415-21-000109-index-headers.html | 2021-08-16 17:06:34 | |
| 0000070415-21-000109-index.html | 2021-08-16 17:06:34 | |
| 0000070415-21-000109.txt | 2021-08-16 17:06:34 | |
 0000070415-21-000109-xbrl.zip | 10300 | 2021-08-16 17:06:34 |
| FilingSummary.xml | 1597 | 2021-08-16 17:06:34 |
| Financial_Report.xlsx | 5686 | 2021-08-16 17:06:34 |
| gpx-20210810.htm | 33347 | 2021-08-16 17:06:34 |
| gpx-20210810.xsd | 1920 | 2021-08-16 17:06:34 |
| gpx-20210810_htm.xml | 11771 | 2021-08-16 17:06:34 |
| gpx-20210810_lab.xml | 24993 | 2021-08-16 17:06:34 |
| gpx-20210810_pre.xml | 13195 | 2021-08-16 17:06:34 |
| MetaLinks.json | 17653 | 2021-08-16 17:06:34 |
| R1.htm | 40177 | 2021-08-16 17:06:34 |
| report.css | 2766 | 2021-08-16 17:06:34 |
| Show.js | 1084 | 2021-08-16 17:06:34 |