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| 0000070415-19-000124-index.html | 2019-11-07 13:29:17 | |
| 0000070415-19-000124.txt | 2019-11-07 13:29:17 | |
 0000070415-19-000124-xbrl.zip | 175440 | 2019-11-07 13:29:17 |
| exhibit311-gpx93019.htm | 12597 | 2019-11-07 13:29:17 |
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| exhibit321-gpx93019.htm | 8813 | 2019-11-07 13:29:17 |
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| gpx-20190930.xml | 1628005 | 2019-11-07 13:29:17 |
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| report.css | 2767 | 2019-11-07 13:29:17 |
| Show.js | 1085 | 2019-11-07 13:29:17 |