Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001037390-21-000003-index-headers.html | 2021-01-04 08:21:19 | |
| 0001037390-21-000003-index.html | 2021-01-04 08:21:19 | |
| 0001037390-21-000003.txt | 2021-01-04 08:21:19 | |
 0001037390-21-000003-xbrl.zip | 62842 | 2021-01-04 08:21:19 |
| FilingSummary.xml | 1920 | 2021-01-04 08:21:19 |
| Financial_Report.xlsx | 5490 | 2021-01-04 08:21:19 |
| grif-20201230.xsd | 3207 | 2021-01-04 08:21:19 |
| grif-20201230ex101959cd7.htm | 85604 | 2021-01-04 08:21:19 |
| grif-20201230ex21687a34f.htm | 61480 | 2021-01-04 08:21:19 |
| grif-20201230ex334937241.htm | 9463 | 2021-01-04 08:21:19 |
| grif-20201230ex34f0713a1.htm | 127540 | 2021-01-04 08:21:19 |
| grif-20201230ex991014637.htm | 17371 | 2021-01-04 08:21:19 |
| grif-20201230x8k.htm | 57208 | 2021-01-04 08:21:19 |
| grif-20201230x8k_htm.xml | 4916 | 2021-01-04 08:21:19 |
| grif-20201230_lab.xml | 16156 | 2021-01-04 08:21:19 |
| grif-20201230_pre.xml | 10948 | 2021-01-04 08:21:19 |
| MetaLinks.json | 17160 | 2021-01-04 08:21:19 |
| R1.htm | 40132 | 2021-01-04 08:21:19 |
| report.css | 2767 | 2021-01-04 08:21:19 |
| Show.js | 1085 | 2021-01-04 08:21:19 |