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Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenue | $ 37,289 | $ 36,119 | $ 36,438 | $ 32,745 | $ 35,606 | $ 33,831 | $ 34,358 | $ 29,061 |  | $ 142,591 | $ 132,856 | $ 133,998
Station operating expense | 25,978 | 25,459 | 25,420 | 24,685 | 25,868 | 24,324 | 24,311 | 22,765 |  | 101,542 | 97,268 | 98,424
Corporate general and administrative | 2,915 | 2,728 | 2,620 | 2,717 | 2,449 | 2,577 | 2,583 | 2,482 |  | 10,980 | 10,091 | 8,901
Other operating (income) expense, net | (8) | (1,393) | 8 | 0 | 94 | 433 | 14 | 0 |  | 1,393 | (541) | 1,210
Impairment of intangible assets | 0 | 0 | 0 | 0 | 874 | 0 | 0 | 0 | $ 1,936 | 0 | 874 | 1,936
Operating income (loss) from continuing operations | 8,404 | $ 9,325 | $ 8,390 | $ 5,343 | 6,321 | $ 6,497 | $ 7,450 | $ 3,814 |  | 31,462 | 24,082 | 25,947
Capital additions |  |  |  |  |  |  |  |  |  | 4,861 | 5,543 | 5,524
Broadcast licenses, net | 96,229 |  |  |  | 88,106 |  |  |  | $ 86,762 | 96,229 | 88,106 | 86,762
Total assets | 221,020 |  |  |  | 204,571 |  |  |  |  | 221,020 | 204,571 |
Radio [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenue |  |  |  |  |  |  |  |  |  | 118,955 | 111,792 | 113,627
Station operating expense |  |  |  |  |  |  |  |  |  | 86,799 | 83,188 | 85,167
Corporate general and administrative |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other operating (income) expense, net |  |  |  |  |  |  |  |  |  | (1,351) | 499 | (1,210)
Impairment of intangible assets |  |  |  |  |  |  |  |  |  | 0 | 874 | 1,936
Operating income (loss) from continuing operations |  |  |  |  |  |  |  |  |  | 33,507 | 27,231 | 27,734
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 5,555 | 5,135 | 5,023
Capital additions |  |  |  |  |  |  |  |  |  | 3,246 | 3,436 | 3,856
Broadcast licenses, net | 86,662 |  |  |  | 78,499 |  |  |  |  | 86,662 | 78,499 |
Total assets | 162,434 |  |  |  | 150,855 |  |  |  |  | 162,434 | 150,855 |
Television [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenue |  |  |  |  |  |  |  |  |  | 23,636 | 21,064 | 20,371
Station operating expense |  |  |  |  |  |  |  |  |  | 14,743 | 14,080 | 13,257
Corporate general and administrative |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other operating (income) expense, net |  |  |  |  |  |  |  |  |  | (42) | 32 | 0
Impairment of intangible assets |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) from continuing operations |  |  |  |  |  |  |  |  |  | 8,935 | 6,952 | 7,114
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 1,387 | 1,399 | 1,411
Capital additions |  |  |  |  |  |  |  |  |  | 894 | 1,970 | 929
Broadcast licenses, net | 9,607 |  |  |  | 9,607 |  |  |  |  | 9,607 | 9,607 |
Total assets | 22,674 |  |  |  | 23,091 |  |  |  |  | 22,674 | 23,091 |
Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenue |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Station operating expense |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Corporate general and administrative |  |  |  |  |  |  |  |  |  | 10,980 | 10,091 | 8,901
Other operating (income) expense, net |  |  |  |  |  |  |  |  |  | 0 | 10 | 0
Impairment of intangible assets |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) from continuing operations |  |  |  |  |  |  |  |  |  | (10,980) | (10,101) | (8,901)
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 321 | 290 | 268
Capital additions |  |  |  |  |  |  |  |  |  | 721 | 137 | 739
Broadcast licenses, net | 0 |  |  |  | 0 |  |  |  |  | 0 | 0 |
Total assets | 35,912 |  |  |  | 30,625 |  |  |  |  | 35,912 | 30,625 |
Consolidated Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenue |  |  |  |  |  |  |  |  |  | 142,591 | 132,856 | 133,998
Station operating expense |  |  |  |  |  |  |  |  |  | 101,542 | 97,268 | 98,424
Corporate general and administrative |  |  |  |  |  |  |  |  |  | 10,980 | 10,091 | 8,901
Other operating (income) expense, net |  |  |  |  |  |  |  |  |  | (1,393) | 541 | (1,210)
Impairment of intangible assets |  |  |  |  |  |  |  |  |  | 0 | 874 | 1,936
Operating income (loss) from continuing operations |  |  |  |  |  |  |  |  |  | 31,462 | 24,082 | 25,947
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 7,263 | 6,824 | 6,702
Capital additions |  |  |  |  |  |  |  |  |  | 4,861 | 5,543 | $ 5,524
Broadcast licenses, net | 96,229 |  |  |  | 88,106 |  |  |  |  | 96,229 | 88,106 |
Total assets | $ 221,020 |  |  |  | $ 204,571 |  |  |  |  | $ 221,020 | $ 204,571 |

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