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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2015
Supplemental Cash Flow Elements [Abstract] |
Supplemental cash flow information |
|  | Years Ended December 31, |
|  | 2015 |  | 2014 |  | 2013 |
|  | (In thousands) |
Cash paid during the period for: |  |  |  |  |  |  |  |  |  |
Interest |  | $ | 751 |  | $ | 874 |  | $ | 1,103 |
Income taxes |  | $ | 6,164 |  | $ | 7,319 |  | $ | 7,134 |
Non-cash transactions: |  |  |  |  |  |  |  |  |  |
Barter revenue |  | $ | 3,863 |  | $ | 3,844 |  | $ | 3,855 |
Barter expense |  | $ | 3,750 |  | $ | 3,636 |  | $ | 3,844 |
Purchase of treasury shares in connection with exercise of stock options |  | $ | 3,294 |  | $ | — |  | $ | — |
Acquisition of property and equipment |  | $ | 48 |  | $ | 91 |  | $ | 104 |
Acquisition of broadcast properties |  | $ | 50 |  | $ | — |  | $ | — |

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- References No definition available. + Details
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