Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-016510-index-headers.html | 2022-08-10 16:48:02 | |
| 0000950170-22-016510-index.html | 2022-08-10 16:48:02 | |
| 0000950170-22-016510.txt | 2022-08-10 16:48:02 | |
 0000950170-22-016510-xbrl.zip | 57928 | 2022-08-10 16:48:02 |
| FilingSummary.xml | 1891 | 2022-08-10 16:48:02 |
| Financial_Report.xlsx | 5932 | 2022-08-10 16:48:02 |
| gls-20220804.htm | 91097 | 2022-08-10 16:48:02 |
| gls-20220804.xsd | 3090 | 2022-08-10 16:48:02 |
| gls-20220804_def.xml | 13673 | 2022-08-10 16:48:02 |
| gls-20220804_htm.xml | 6596 | 2022-08-10 16:48:02 |
| gls-20220804_lab.xml | 17341 | 2022-08-10 16:48:02 |
| gls-20220804_pre.xml | 12973 | 2022-08-10 16:48:02 |
| gls-ex10_1.htm | 156176 | 2022-08-10 16:48:02 |
| gls-ex4_1.htm | 85255 | 2022-08-10 16:48:02 |
| gls-ex4_2.htm | 81558 | 2022-08-10 16:48:02 |
| gls-ex4_3.htm | 89097 | 2022-08-10 16:48:02 |
| gls-ex4_4.htm | 86887 | 2022-08-10 16:48:02 |
| MetaLinks.json | 21279 | 2022-08-10 16:48:02 |
| R1.htm | 46136 | 2022-08-10 16:48:02 |
| report.css | 2767 | 2022-08-10 16:48:02 |
| Show.js | 1085 | 2022-08-10 16:48:02 |