Acquisitions and Dispositions (Details Textual) (USD $)
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1 Months Ended |
0 Months Ended |
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Jan. 31, 2014
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Dec. 02, 2014
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Jun. 16, 2014
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May 16, 2014
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May 14, 2014
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May 09, 2014
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Feb. 28, 2014
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May 05, 2015
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Apr. 08, 2015
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Nov. 04, 2014
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Business Acquisition [Line Items] |
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Payments to acquire businesses gross |
$ 720,000us-gaap_PaymentsToAcquireBusinessesGross |
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Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles |
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87,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles |
100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles |
44,750us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles |
30,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles |
35,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles |
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Subsequent Event [Member] |
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Business Acquisition [Line Items] |
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Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest |
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1,335,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
9,640,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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Michigan Network [Member] |
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Business Acquisition [Line Items] |
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Proceeds from Sale of Intangible Assets |
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1,640,000us-gaap_ProceedsFromSaleOfIntangibleAssets / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = sga_MichiganNetworkMember |
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Intangible Assets, Net |
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430,000us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = sga_MichiganNetworkMember |
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Gain (Loss) on Disposition of Intangible Assets |
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1,210,000us-gaap_GainLossOnDispositionOfIntangibleAssets / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = sga_MichiganNetworkMember |
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Broadcast Licenses [Member] |
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Business Acquisition [Line Items] |
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Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles |
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7,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = sga_BroadcastLicensesMember |
15,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = sga_BroadcastLicensesMember |
7,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = sga_BroadcastLicensesMember |
7,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = sga_BroadcastLicensesMember |
7,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = sga_BroadcastLicensesMember |
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18,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = sga_BroadcastLicensesMember |
Goodwill [Member] |
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Business Acquisition [Line Items] |
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Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles |
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$ 80,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = us-gaap_GoodwillMember |
$ 85,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = us-gaap_GoodwillMember |
$ 37,250us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = us-gaap_GoodwillMember |
$ 22,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = us-gaap_GoodwillMember |
$ 27,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FairValueByAssetClassAxis = us-gaap_GoodwillMember |
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