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Disposition - Summary of Assets Held for Sale (Detail) - USD ($) | Sep. 30, 2025 | Sep. 29, 2025
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Assets held for sale | $ 6,183,987 |
Tampa, FL [Member] | Discontinued Operations, Held-for-Sale [Member] | WPBB-FM [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Property and equipment, net | 992,287 |
FCC licenses | 5,191,700 |
Assets held for sale | $ 6,183,987 | $ 8,000,000

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