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GOODWILL AND RADIO BROADCASTING LICENSES: (Details Textual) (USD $) | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 31, 2013 Cincinnati Fcc Radio Broadcasting Licenses [Member] | Jun. 30, 2013 Philadelphia, Cincinnati And Cleveland Radio Broadcasting Licenses [Member] | Sep. 30, 2013 Boston And Cleveland Radio Broadcasting Licenses [Member] | Sep. 30, 2012 Charlotte Radio Broadcasting Licenses [Member]
Indefinite-Lived Intangible Assets, Impairment Losses | $ 1,400,000 | $ 9,800,000 | $ 3,700,000 | $ 313,000

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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
Name: | us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration