Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-160290-index-headers.html | 2020-06-04 10:11:15 | |
| 0001193125-20-160290-index.html | 2020-06-04 10:11:15 | |
| 0001193125-20-160290.txt | 2020-06-04 10:11:15 | |
 0001193125-20-160290-xbrl.zip | 23385 | 2020-06-04 10:11:15 |
| d930021d497.htm | 1154 | 2020-06-04 10:11:15 |
| FilingSummary.xml | 3386 | 2020-06-04 10:11:15 |
| Financial_Report.xlsx | 8024 | 2020-06-04 10:11:15 |
 g930021g0603232430375.jpg | 2194 | 2020-06-04 10:11:15 |
| gst-20200515.xml | 12195 | 2020-06-04 10:11:15 |
| gst-20200515.xsd | 4224 | 2020-06-04 10:11:15 |
| gst-20200515_def.xml | 91419 | 2020-06-04 10:11:15 |
| gst-20200515_lab.xml | 129978 | 2020-06-04 10:11:15 |
| gst-20200515_pre.xml | 79539 | 2020-06-04 10:11:15 |
| R1.htm | 18243 | 2020-06-04 10:11:15 |
| R2.htm | 5193 | 2020-06-04 10:11:15 |
| R3.htm | 21575 | 2020-06-04 10:11:15 |
| R4.htm | 7479 | 2020-06-04 10:11:15 |
| report.css | 2767 | 2020-06-04 10:11:15 |
| Show.js | 1085 | 2020-06-04 10:11:15 |