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Quarterly Results of Operations (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Effect of Fourth Quarter Events [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net operating revenue | $ 36,371 us-gaap_SalesRevenueNet | $ 34,373 us-gaap_SalesRevenueNet | $ 33,831 us-gaap_SalesRevenueNet | $ 29,423 us-gaap_SalesRevenueNet | $ 33,760 us-gaap_SalesRevenueNet | $ 32,929 us-gaap_SalesRevenueNet | $ 33,832 us-gaap_SalesRevenueNet | $ 28,957 us-gaap_SalesRevenueNet | $ 133,998 us-gaap_SalesRevenueNet | $ 129,478 us-gaap_SalesRevenueNet | $ 130,259 us-gaap_SalesRevenueNet
Station operating expenses | 25,612 us-gaap_DirectOperatingCosts | 26,366 us-gaap_DirectOperatingCosts | 23,499 us-gaap_DirectOperatingCosts | 22,947 us-gaap_DirectOperatingCosts | 23,798 us-gaap_DirectOperatingCosts | 23,598 us-gaap_DirectOperatingCosts | 23,493 us-gaap_DirectOperatingCosts | 22,088 us-gaap_DirectOperatingCosts | 98,424 us-gaap_DirectOperatingCosts | 92,977 us-gaap_DirectOperatingCosts | 90,288 us-gaap_DirectOperatingCosts
Corporate G&A | 2,321 us-gaap_GeneralAndAdministrativeExpense | 2,307 us-gaap_GeneralAndAdministrativeExpense | 2,120 us-gaap_GeneralAndAdministrativeExpense | 2,153 us-gaap_GeneralAndAdministrativeExpense | 2,191 us-gaap_GeneralAndAdministrativeExpense | 2,051 us-gaap_GeneralAndAdministrativeExpense | 1,982 us-gaap_GeneralAndAdministrativeExpense | 1,948 us-gaap_GeneralAndAdministrativeExpense | 8,901 us-gaap_GeneralAndAdministrativeExpense | 8,172 us-gaap_GeneralAndAdministrativeExpense | 7,960 us-gaap_GeneralAndAdministrativeExpense
Other operating (income) expense | (1,210)us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet |  |  |
Impairment of intangible assets | 1,936 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 2,033 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 1,936 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 2,033 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Operating income from continuing operations | 7,712 us-gaap_OperatingIncomeLoss | 5,700 us-gaap_OperatingIncomeLoss | 8,212 us-gaap_OperatingIncomeLoss | 4,323 us-gaap_OperatingIncomeLoss | 5,738 us-gaap_OperatingIncomeLoss | 7,280 us-gaap_OperatingIncomeLoss | 8,357 us-gaap_OperatingIncomeLoss | 4,921 us-gaap_OperatingIncomeLoss | 25,947 us-gaap_OperatingIncomeLoss | 26,296 us-gaap_OperatingIncomeLoss | 32,011 us-gaap_OperatingIncomeLoss
Other (income) expenses: |  |  |  |  |  |  |  |  |  |  |
Interest expense | 252 us-gaap_InterestExpense | 268 us-gaap_InterestExpense | 272 us-gaap_InterestExpense | 272 us-gaap_InterestExpense | 282 us-gaap_InterestExpense | 308 us-gaap_InterestExpense | 357 us-gaap_InterestExpense | 358 us-gaap_InterestExpense | 1,064 us-gaap_InterestExpense | 1,305 us-gaap_InterestExpense | 1,733 us-gaap_InterestExpense
Other | (33)us-gaap_OtherNonoperatingIncomeExpense | 7 us-gaap_OtherNonoperatingIncomeExpense | (30)us-gaap_OtherNonoperatingIncomeExpense | (15)us-gaap_OtherNonoperatingIncomeExpense | 2 us-gaap_OtherNonoperatingIncomeExpense | (144)us-gaap_OtherNonoperatingIncomeExpense | 66 us-gaap_OtherNonoperatingIncomeExpense | 25 us-gaap_OtherNonoperatingIncomeExpense | 71 us-gaap_OtherNonoperatingIncomeExpense | 106 us-gaap_OtherNonoperatingIncomeExpense | (279)us-gaap_OtherNonoperatingIncomeExpense
Income from continuing operations before tax | 7,493 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 5,425 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 7,970 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 4,066 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 5,454 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 7,116 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 7,934 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 4,538 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 24,954 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 25,042 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 29,999 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax provision | 3,050 us-gaap_IncomeTaxExpenseBenefit | 2,180 us-gaap_IncomeTaxExpenseBenefit | 3,193 us-gaap_IncomeTaxExpenseBenefit | 1,627 us-gaap_IncomeTaxExpenseBenefit | 2,230 us-gaap_IncomeTaxExpenseBenefit | 2,820 us-gaap_IncomeTaxExpenseBenefit | 3,130 us-gaap_IncomeTaxExpenseBenefit | 1,812 us-gaap_IncomeTaxExpenseBenefit | 10,050 us-gaap_IncomeTaxExpenseBenefit | 9,992 us-gaap_IncomeTaxExpenseBenefit | 11,939 us-gaap_IncomeTaxExpenseBenefit
Income from continuing operations, net of tax | 4,443 us-gaap_IncomeLossFromContinuingOperations | 3,245 us-gaap_IncomeLossFromContinuingOperations | 4,777 us-gaap_IncomeLossFromContinuingOperations | 2,439 us-gaap_IncomeLossFromContinuingOperations | 3,224 us-gaap_IncomeLossFromContinuingOperations | 4,296 us-gaap_IncomeLossFromContinuingOperations | 4,804 us-gaap_IncomeLossFromContinuingOperations | 2,726 us-gaap_IncomeLossFromContinuingOperations | 14,904 us-gaap_IncomeLossFromContinuingOperations | 15,050 us-gaap_IncomeLossFromContinuingOperations | 18,060 us-gaap_IncomeLossFromContinuingOperations
Income (loss) from discontinued operations, net of tax | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 223 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 223 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | (135)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Net income | $ 4,443 us-gaap_NetIncomeLoss | $ 3,245 us-gaap_NetIncomeLoss | $ 4,777 us-gaap_NetIncomeLoss | $ 2,439 us-gaap_NetIncomeLoss | $ 3,224 us-gaap_NetIncomeLoss | $ 4,296 us-gaap_NetIncomeLoss | $ 4,804 us-gaap_NetIncomeLoss | $ 2,949 us-gaap_NetIncomeLoss | $ 14,904 us-gaap_NetIncomeLoss | $ 15,273 us-gaap_NetIncomeLoss | $ 17,925 us-gaap_NetIncomeLoss
Basic earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |
From continuing operations | $ 0.77 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.56 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.83 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.43 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.56 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.76 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.85 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.48 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 2.57 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 2.62 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 3.19 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
From discontinued operations | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.04 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.04 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ (0.02)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Earnings per share | $ 0.77 us-gaap_EarningsPerShareBasic | $ 0.56 us-gaap_EarningsPerShareBasic | $ 0.83 us-gaap_EarningsPerShareBasic | $ 0.43 us-gaap_EarningsPerShareBasic | $ 0.56 us-gaap_EarningsPerShareBasic | $ 0.76 us-gaap_EarningsPerShareBasic | $ 0.85 us-gaap_EarningsPerShareBasic | $ 0.52 us-gaap_EarningsPerShareBasic | $ 2.57 us-gaap_EarningsPerShareBasic | $ 2.66 us-gaap_EarningsPerShareBasic | $ 3.17 us-gaap_EarningsPerShareBasic
Weighted average common shares | 5,709 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,699 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,699 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,690 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,686 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,686 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,683 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,673 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,700 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,681 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 5,659 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |
From continuing operations | $ 0.76 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.56 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.82 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.42 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.56 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.75 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.84 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.47 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 2.55 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 2.60 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 3.18 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
From discontinued operations | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.04 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.04 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ (0.02)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Diluted earnings per share | $ 0.76 us-gaap_EarningsPerShareDiluted | $ 0.56 us-gaap_EarningsPerShareDiluted | $ 0.82 us-gaap_EarningsPerShareDiluted | $ 0.42 us-gaap_EarningsPerShareDiluted | $ 0.56 us-gaap_EarningsPerShareDiluted | $ 0.75 us-gaap_EarningsPerShareDiluted | $ 0.84 us-gaap_EarningsPerShareDiluted | $ 0.51 us-gaap_EarningsPerShareDiluted | $ 2.55 us-gaap_EarningsPerShareDiluted | $ 2.64 us-gaap_EarningsPerShareDiluted | $ 3.16 us-gaap_EarningsPerShareDiluted
Weighted average common and common equivalent shares | 5,757 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,742 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,754 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,757 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,751 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,754 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,745 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,738 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,753 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,745 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 5,672 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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- Definition The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
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