Quarterly report pursuant to Section 13 or 15(d)

SEGMENT DATA (Schedule of Segment Data) (Details)

v2.4.1.9
SEGMENT DATA (Schedule of Segment Data) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Net revenue $ 61,856,000us-gaap_SalesRevenueNet $ 62,344,000us-gaap_SalesRevenueNet  
Operating expenses 51,405,000us-gaap_OperatingExpenses 52,266,000us-gaap_OperatingExpenses  
Net operating income (loss) before depreciation, amortization, change in the estimated fair value of contingent earn-out consideration and (gain) loss on disposal of assets 10,451,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization 10,078,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization  
Depreciation 3,172,000us-gaap_CostOfServicesDepreciation 3,129,000us-gaap_CostOfServicesDepreciation  
Amortization 1,329,000us-gaap_CostOfServicesAmortization 1,608,000us-gaap_CostOfServicesAmortization  
Impairment of long-lived assets 0us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf    
Change in the estimated fair value of contingent earn-out consideration 118,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 127,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1  
(Gain) loss on disposal of assets 129,000us-gaap_GainLossOnDispositionOfAssets (117,000)us-gaap_GainLossOnDispositionOfAssets  
Operating income 5,703,000us-gaap_OperatingIncomeLoss 5,331,000us-gaap_OperatingIncomeLoss  
Inventories, net 641,000us-gaap_InventoryNet   572,000us-gaap_InventoryNet
Property and equipment, net 99,378,000us-gaap_PropertyPlantAndEquipmentNet   99,227,000us-gaap_PropertyPlantAndEquipmentNet
Broadcast licenses 386,302,000us-gaap_IndefiniteLivedLicenseAgreements   385,726,000us-gaap_IndefiniteLivedLicenseAgreements
Goodwill 24,690,000us-gaap_Goodwill   24,684,000us-gaap_Goodwill
Other indefinite-lived intangible assets 833,000us-gaap_OtherIndefiniteLivedIntangibleAssets   833,000us-gaap_OtherIndefiniteLivedIntangibleAssets
Amortizable intangible assets, net 11,780,000us-gaap_IntangibleAssetsNetExcludingGoodwill   12,395,000us-gaap_IntangibleAssetsNetExcludingGoodwill
Operating Segments [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Net revenue   62,344,000us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
 
Operating expenses   52,266,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
 
Net operating income (loss) before depreciation, amortization, change in the estimated fair value of contingent earn-out consideration and (gain) loss on disposal of assets   10,078,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
 
Operating Segments [Member] | Broadcast [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Net revenue 46,539,000us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
46,769,000us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
 
Operating expenses 33,917,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
33,346,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
 
Net operating income (loss) before depreciation, amortization, change in the estimated fair value of contingent earn-out consideration and (gain) loss on disposal of assets 12,622,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
13,423,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
 
Depreciation 1,951,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
1,988,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
 
Amortization 23,000us-gaap_CostOfServicesAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
28,000us-gaap_CostOfServicesAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
 
Change in the estimated fair value of contingent earn-out consideration        
(Gain) loss on disposal of assets 129,000us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
(117,000)us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
 
Operating income 10,519,000us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
11,524,000us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
 
Inventories, net        
Property and equipment, net 82,317,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
  81,948,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
Broadcast licenses 386,302,000us-gaap_IndefiniteLivedLicenseAgreements
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
  385,726,000us-gaap_IndefiniteLivedLicenseAgreements
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
Goodwill 3,959,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
  3,955,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
Other indefinite-lived intangible assets        
Amortizable intangible assets, net 560,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
  583,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_RadioOperationsMember
Operating Segments [Member] | Digital Media [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Net revenue 10,791,000us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
11,312,000us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
 
Operating expenses 9,000,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
8,850,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
 
Net operating income (loss) before depreciation, amortization, change in the estimated fair value of contingent earn-out consideration and (gain) loss on disposal of assets 1,791,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
2,462,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
 
Depreciation 776,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
753,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
 
Amortization 1,170,000us-gaap_CostOfServicesAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
1,278,000us-gaap_CostOfServicesAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
 
Change in the estimated fair value of contingent earn-out consideration 33,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
127,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
 
(Gain) loss on disposal of assets        
Operating income (188,000)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
304,000us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
 
Inventories, net 248,000us-gaap_InventoryNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
  222,000us-gaap_InventoryNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
Property and equipment, net 6,962,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
  7,111,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
Broadcast licenses        
Goodwill 19,679,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
  19,677,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
Other indefinite-lived intangible assets        
Amortizable intangible assets, net 9,428,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
  9,884,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_InternetMember
Operating Segments [Member] | Publishing [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Net revenue 4,526,000us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
4,263,000us-gaap_SalesRevenueNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
 
Operating expenses 4,497,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
5,006,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
 
Net operating income (loss) before depreciation, amortization, change in the estimated fair value of contingent earn-out consideration and (gain) loss on disposal of assets 29,000salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
(743,000)salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
 
Depreciation 168,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
101,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
 
Amortization 136,000us-gaap_CostOfServicesAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
302,000us-gaap_CostOfServicesAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
 
Change in the estimated fair value of contingent earn-out consideration 85,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
    
(Gain) loss on disposal of assets (1,000)us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
    
Operating income (359,000)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
(1,146,000)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
 
Inventories, net 393,000us-gaap_InventoryNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
  350,000us-gaap_InventoryNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
Property and equipment, net 1,873,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
  1,941,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
Broadcast licenses        
Goodwill 1,044,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
  1,044,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
Other indefinite-lived intangible assets 833,000us-gaap_OtherIndefiniteLivedIntangibleAssets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
  833,000us-gaap_OtherIndefiniteLivedIntangibleAssets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
Amortizable intangible assets, net 1,790,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
  1,926,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= salm_PublishingMember
Operating Segments [Member] | Unallocated Corporate [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Net revenue        
Operating expenses 3,991,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
5,064,000us-gaap_OperatingExpenses
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
 
Net operating income (loss) before depreciation, amortization, change in the estimated fair value of contingent earn-out consideration and (gain) loss on disposal of assets (3,991,000)salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
(5,064,000)salm_OperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
 
Depreciation 277,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
287,000us-gaap_CostOfServicesDepreciation
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
 
Amortization        
Change in the estimated fair value of contingent earn-out consideration        
(Gain) loss on disposal of assets 1,000us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
    
Operating income (4,269,000)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
(5,351,000)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
 
Inventories, net        
Property and equipment, net 8,226,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
  8,227,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
Broadcast licenses        
Goodwill 8,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
  8,000us-gaap_Goodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
Other indefinite-lived intangible assets        
Amortizable intangible assets, net $ 2,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
  $ 2,000us-gaap_IntangibleAssetsNetExcludingGoodwill
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember