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| 0001181749-20-000022-index.html | 2020-09-14 14:34:55 | |
| 0001181749-20-000022.txt | 2020-09-14 14:34:55 | |
 0001181749-20-000022-xbrl.zip | 115648 | 2020-09-14 14:34:55 |
| FilingSummary.xml | 24961 | 2020-09-14 14:34:55 |
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| gfe-20200731.xsd | 37506 | 2020-09-14 14:34:55 |
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| gfe-20200731ex321248e36.htm | 9175 | 2020-09-14 14:34:55 |
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| R9.htm | 8723 | 2020-09-14 14:34:55 |
| report.css | 2767 | 2020-09-14 14:34:55 |
| Show.js | 1085 | 2020-09-14 14:34:55 |