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| 0000070415-19-000097-index.html | 2019-08-02 11:29:12 | |
| 0000070415-19-000097.txt | 2019-08-02 11:29:12 | |
 0000070415-19-000097-xbrl.zip | 170164 | 2019-08-02 11:29:12 |
| exhibit101gpstrategies-sec.htm | 73601 | 2019-08-02 11:29:12 |
| exhibit311-gpx63019.htm | 12595 | 2019-08-02 11:29:12 |
| exhibit312-gpx63019.htm | 13487 | 2019-08-02 11:29:12 |
| exhibit321-gpx63019.htm | 8806 | 2019-08-02 11:29:12 |
| FilingSummary.xml | 30031 | 2019-08-02 11:29:12 |
| Financial_Report.xlsx | 65964 | 2019-08-02 11:29:12 |
| gpx-20190630.htm | 1166062 | 2019-08-02 11:29:12 |
| gpx-20190630.xml | 1632512 | 2019-08-02 11:29:12 |
| gpx-20190630.xsd | 39398 | 2019-08-02 11:29:12 |
| gpx-20190630_cal.xml | 69346 | 2019-08-02 11:29:12 |
| gpx-20190630_def.xml | 158770 | 2019-08-02 11:29:12 |
| gpx-20190630_lab.xml | 478129 | 2019-08-02 11:29:12 |
| gpx-20190630_pre.xml | 280647 | 2019-08-02 11:29:12 |
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| report.css | 2767 | 2019-08-02 11:29:12 |
| Show.js | 1085 | 2019-08-02 11:29:12 |