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Held for Sale, Discontinued Operations, Disposals, and Licenses - Narrative (Details) £ in Millions |  |  |  |  |  |  |  | 3 Months Ended | 4 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 21, 2024 USD ($) | Jun. 13, 2024 USD ($) | Apr. 01, 2024 GBP (£) | Mar. 28, 2024 | Mar. 07, 2024 USD ($) | Feb. 28, 2024 | Feb. 21, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding, amount |  |  |  |  |  |  | $ 15,500,000 | $ 0 |  | $ 0 | $ 0 |  | $ 15,500,000 | $ 15,500,000 | $ 15,500,000
Early termination fee |  |  |  |  |  |  |  |  |  |  | 500,000 | $ 0 |  |  |
One-time license fee received |  |  |  |  |  |  |  | 4,410,000 | $ 3,926,000 |  | 12,932,000 | 11,778,000 |  |  |
Independent Digital News and Media Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
License agreement, term (in years) |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Net sales revenue share (as a percent) |  |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Independent Digital News and Media Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
License fees receivable |  |  | £ 0.3 |  |  |  |  | 300,000 |  | 300,000 | 300,000 |  |  |  |
Maximum | Independent Digital News and Media Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
License fees receivable |  |  | £ 0.5 |  |  |  |  | 600,000 |  | 600,000 | 600,000 |  |  |  |
Commerce Media Holdings, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
One-time license fee received |  |  |  |  |  |  | 2,800,000 |  |  |  |  |  |  |  |
Transition services agreement, amount collected |  |  |  |  |  |  |  | 1,500,000 |  |  | 1,500,000 |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  | 33,800,000 |  |  |  |  |  |  |  |
Accrued and unpaid interest payment |  |  |  |  |  |  | 700,000 |  |  |  |  |  |  |  |
Early termination fee |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding, amount |  |  |  |  |  |  | 15,500,000 |  |  |  |  |  |  |  |
Standby letter of credit fee |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |
Convertible Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt | $ 300,000 |  |  |  | $ 30,900,000 |  | 30,900,000 |  |  |  |  |  |  |  |
Percentage of net proceeds from future asset sales |  | 0.95 |  |  |  | 0.95 |  |  |  |  |  |  |  |  |
Principal outstanding |  |  |  |  |  |  | $ 150,000,000 | 118,767,000 |  | 118,767,000 | 118,767,000 |  |  |  | 150,000,000
Required repayment percentage |  |  |  |  |  |  | 0.206 |  |  |  |  |  |  |  |
Unamortized discount and debt issuance costs, derecognized (as a percent) |  |  |  |  | 20.60% |  | 20.60% |  |  |  |  |  |  |  |
Discontinued Operations, Held-for-Sale or Disposed of by Sale | Complex Networks, Excluding the First we Feast Brand |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture of businesses |  |  |  |  |  |  | $ 108,600,000 |  |  |  |  |  |  |  |
Income tax provision / (benefit) |  |  |  |  |  |  |  | (166,000) | 0 |  | 1,337,000 | 0 |  |  |
Loss on partial debt extinguishment |  |  |  |  | $ 4,900,000 |  | $ 4,900,000 | 0 | 0 |  | (4,919,000) | 0 |  |  |
Valuation allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,462,000
Gain on remeasurement of classification to held for sale |  |  |  |  |  |  |  | 0 | 0 |  | 854,000 | 0 |  |  |
Loss on disposal |  |  |  |  |  |  |  | $ 0 | $ 1,883,000 |  | $ 8,587,000 | $ 14,109,000 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | BringMe |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture of businesses |  |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |  |
Percentage of assets sold |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal group, including discontinued operation, consideration |  | $ 1,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | BringMe | Convertible Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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