Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000041719-22-000017-index.html | 2022-04-04 11:24:51 | |
| 0000041719-22-000017.txt | 2022-04-04 11:24:51 | |
 0000041719-22-000017-xbrl.zip | 15764 | 2022-04-04 11:24:51 |
| ex991-pressrelease040422.htm | 13133 | 2022-04-04 11:24:51 |
| FilingSummary.xml | 1661 | 2022-04-04 11:24:51 |
| Financial_Report.xlsx | 5656 | 2022-04-04 11:24:51 |
| glt-20220330.htm | 42381 | 2022-04-04 11:24:51 |
| glt-20220330.xsd | 1918 | 2022-04-04 11:24:51 |
| glt-20220330_htm.xml | 12114 | 2022-04-04 11:24:51 |
| glt-20220330_lab.xml | 24849 | 2022-04-04 11:24:51 |
| glt-20220330_pre.xml | 13061 | 2022-04-04 11:24:51 |
 image_0a.jpg | 18625 | 2022-04-04 11:24:51 |
| MetaLinks.json | 17156 | 2022-04-04 11:24:51 |
| R1.htm | 40226 | 2022-04-04 11:24:51 |
| report.css | 2767 | 2022-04-04 11:24:51 |
| Show.js | 1085 | 2022-04-04 11:24:51 |