Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-011830-index-headers.html | 2022-06-21 06:30:40 | |
| 0000950170-22-011830-index.html | 2022-06-21 06:30:40 | |
| 0000950170-22-011830.txt | 2022-06-21 06:30:40 | |
 0000950170-22-011830-xbrl.zip | 58524 | 2022-06-21 06:30:40 |
| FilingSummary.xml | 1799 | 2022-06-21 06:30:40 |
| Financial_Report.xlsx | 5929 | 2022-06-21 06:30:40 |
| gls-20220614.htm | 61862 | 2022-06-21 06:30:40 |
| gls-20220614.xsd | 3090 | 2022-06-21 06:30:40 |
| gls-20220614_def.xml | 13673 | 2022-06-21 06:30:40 |
| gls-20220614_htm.xml | 6596 | 2022-06-21 06:30:40 |
| gls-20220614_lab.xml | 17341 | 2022-06-21 06:30:40 |
| gls-20220614_pre.xml | 12973 | 2022-06-21 06:30:40 |
| gls-ex10_1.htm | 467765 | 2022-06-21 06:30:40 |
| gls-ex99_1.htm | 24669 | 2022-06-21 06:30:40 |
| MetaLinks.json | 21279 | 2022-06-21 06:30:40 |
| R1.htm | 46134 | 2022-06-21 06:30:40 |
| report.css | 2767 | 2022-06-21 06:30:40 |
| Show.js | 1085 | 2022-06-21 06:30:40 |