Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-024182-index-headers.html | 2021-02-01 12:45:32 | |
| 0001193125-21-024182-index.html | 2021-02-01 12:45:32 | |
| 0001193125-21-024182.txt | 2021-02-01 12:45:32 | |
 0001193125-21-024182-xbrl.zip | 23582 | 2021-02-01 12:45:32 |
| d240430d497.htm | 1191 | 2021-02-01 12:45:32 |
| FilingSummary.xml | 3387 | 2021-02-01 12:45:32 |
| Financial_Report.xlsx | 7222 | 2021-02-01 12:45:32 |
 g240430g0130074056203.jpg | 2194 | 2021-02-01 12:45:32 |
| gst-20210108.xml | 7179 | 2021-02-01 12:45:32 |
| gst-20210108.xsd | 5149 | 2021-02-01 12:45:32 |
| gst-20210108_def.xml | 92646 | 2021-02-01 12:45:32 |
| gst-20210108_lab.xml | 136549 | 2021-02-01 12:45:32 |
| gst-20210108_pre.xml | 80221 | 2021-02-01 12:45:32 |
| R1.htm | 18252 | 2021-02-01 12:45:32 |
| R2.htm | 3581 | 2021-02-01 12:45:32 |
| R3.htm | 13498 | 2021-02-01 12:45:32 |
| R4.htm | 3936 | 2021-02-01 12:45:32 |
| report.css | 2767 | 2021-02-01 12:45:32 |
| Show.js | 1085 | 2021-02-01 12:45:32 |