Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-017116-index-headers.html | 2022-08-12 16:02:13 | |
| 0000950170-22-017116-index.html | 2022-08-12 16:02:13 | |
| 0000950170-22-017116.txt | 2022-08-12 16:02:13 | |
 0000950170-22-017116-xbrl.zip | 138617 | 2022-08-12 16:02:13 |
| FilingSummary.xml | 1799 | 2022-08-12 16:02:13 |
| Financial_Report.xlsx | 5929 | 2022-08-12 16:02:13 |
| gls-20220811.htm | 87624 | 2022-08-12 16:02:13 |
| gls-20220811.xsd | 3090 | 2022-08-12 16:02:13 |
| gls-20220811_def.xml | 13673 | 2022-08-12 16:02:13 |
| gls-20220811_htm.xml | 6596 | 2022-08-12 16:02:13 |
| gls-20220811_lab.xml | 17341 | 2022-08-12 16:02:13 |
| gls-20220811_pre.xml | 12973 | 2022-08-12 16:02:13 |
| gls-ex10_1.htm | 1003700 | 2022-08-12 16:02:13 |
| gls-ex10_2.htm | 296853 | 2022-08-12 16:02:13 |
| MetaLinks.json | 21279 | 2022-08-12 16:02:13 |
| R1.htm | 46134 | 2022-08-12 16:02:13 |
| report.css | 2767 | 2022-08-12 16:02:13 |
| Show.js | 1085 | 2022-08-12 16:02:13 |