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| 0001437749-17-018404-index.html | 2017-11-06 15:13:03 | |
| 0001437749-17-018404.txt | 2017-11-06 15:13:03 | |
 0001437749-17-018404-xbrl.zip | 132983 | 2017-11-06 15:13:03 |
| ex_97393.htm | 15353 | 2017-11-06 15:13:03 |
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| ex_98903.htm | 53567 | 2017-11-06 15:13:03 |
| FilingSummary.xml | 27385 | 2017-11-06 15:13:03 |
| Financial_Report.xlsx | 53537 | 2017-11-06 15:13:03 |
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| gtn-20170930.xml | 1134470 | 2017-11-06 15:13:03 |
| gtn-20170930.xsd | 50070 | 2017-11-06 15:13:03 |
| gtn-20170930_cal.xml | 49288 | 2017-11-06 15:13:03 |
| gtn-20170930_def.xml | 379246 | 2017-11-06 15:13:03 |
| gtn-20170930_lab.xml | 336134 | 2017-11-06 15:13:03 |
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| gtn20170930_10q.htm | 847115 | 2017-11-06 15:13:03 |
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| report.css | 2767 | 2017-11-06 15:13:03 |
| Show.js | 1410 | 2017-11-06 15:13:03 |