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| 0001437749-23-022056.txt | 2023-08-04 09:21:54 | |
 0001437749-23-022056-xbrl.zip | 11748 | 2023-08-04 09:21:54 |
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| ex_554560.htm | 6158 | 2023-08-04 09:21:54 |
| FilingSummary.xml | 1762 | 2023-08-04 09:21:54 |
| Financial_Report.xlsx | 5807 | 2023-08-04 09:21:54 |
| gtn-20230804.xsd | 3816 | 2023-08-04 09:21:54 |
| gtn-20230804_def.xml | 13335 | 2023-08-04 09:21:54 |
| gtn-20230804_lab.xml | 17465 | 2023-08-04 09:21:54 |
| gtn-20230804_pre.xml | 13312 | 2023-08-04 09:21:54 |
| gtn20230803_8k.htm | 24635 | 2023-08-04 09:21:54 |
| gtn20230803_8k_htm.xml | 4183 | 2023-08-04 09:21:54 |
| MetaLinks.json | 21508 | 2023-08-04 09:21:54 |
| R1.htm | 42271 | 2023-08-04 09:21:54 |
| report.css | 2767 | 2023-08-04 09:21:54 |
| Show.js | 1085 | 2023-08-04 09:21:54 |