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| 0001437749-18-019601-index.html | 2018-11-06 09:32:31 | |
| 0001437749-18-019601.txt | 2018-11-06 09:32:31 | |
 0001437749-18-019601-xbrl.zip | 135903 | 2018-11-06 09:32:31 |
| ex_126856.htm | 12159 | 2018-11-06 09:32:31 |
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| ex_126859.htm | 4173 | 2018-11-06 09:32:31 |
| FilingSummary.xml | 29782 | 2018-11-06 09:32:31 |
| Financial_Report.xlsx | 54152 | 2018-11-06 09:32:31 |
| gtn-20180930.xml | 1244363 | 2018-11-06 09:32:31 |
| gtn-20180930.xsd | 51162 | 2018-11-06 09:32:31 |
| gtn-20180930_cal.xml | 39133 | 2018-11-06 09:32:31 |
| gtn-20180930_def.xml | 387766 | 2018-11-06 09:32:31 |
| gtn-20180930_lab.xml | 325517 | 2018-11-06 09:32:31 |
| gtn-20180930_pre.xml | 407478 | 2018-11-06 09:32:31 |
| gtn20180930_10q.htm | 908613 | 2018-11-06 09:32:31 |
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| report.css | 2767 | 2018-11-06 09:32:31 |
| Show.js | 1085 | 2018-11-06 09:32:31 |