Note 15 - Stockholders' Deficit (Details Textual) - USD ($) | | | | 3 Months Ended | 4 Months Ended | 12 Months Ended | | | | |
Apr. 01, 2024 | Sep. 08, 2023 | Sep. 17, 2020 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | Mar. 31, 2024 | Dec. 15, 2022 | Dec. 01, 2022 | Dec. 31, 2020 | Mar. 31, 2016 |
Stock Authorized (in shares) | | | | 510,000,000 | | | | | | | |
Common Stock, Shares Authorized (in shares) | | | | 500,000,000 | | | 500,000,000 | | | | |
Common Stock, Par or Stated Value Per Share (in dollars per share) | | | | $ 0.001 | | | $ 0.001 | | | | |
Preferred Stock, Shares Authorized (in shares) | | | | 10,000,000 | | | 10,000,000 | | | | |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | | | | $ 0.001 | | | $ 0.001 | | | | |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) | | | | | | | | | | 2,000,000 | |
Stock Repurchase Program, Increase in Authorized Amount | | | | | | | | | $ 2,000,000 | | |
Treasury Stock, Shares, Acquired (in shares) | | | | 402,593 | 694,315 | | | | | | |
Treasury Stock, Value, Acquired, Cost Method | | | | $ 749,000 | $ 1,013,000 | | | | | | |
Temporary Equity, Carrying Amount, Attributable to Parent | | | | 0 | | | $ 4,962,000 | | | | |
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net | | | | 607,000 | 826,000 | | | | | | |
Preferred Stock, Value, Issued | | | | 12,797,000 | | | 18,814,000 | | | | |
Stock Issued to Noncontrolling Owners (in shares) | | 4,300,000 | | | | 3,200,000 | | | | | |
Noncontrolling Interest, Increase from Sale of Parent Equity Interest | | $ 1,500,000 | | | | | $ 2,500,000 | | | | |
PodcastOne [Member] | | | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | | 1,100,000 | | | | | | | | | |
Subsidiary, Ownership Percentage, Noncontrolling Owner | | 21.64% | | | | 26.50% | 28% | | | | |
The 2016 Equity Incentive Plan [Member] | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | | | 17,600,000 | | | | | | | | 12,600,000 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) | | | 5,000,000 | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | 1,700,000 | 900,000 | | | | | | |
Share-Based Payment Arrangement, Expense, Tax Benefit | | | | 0 | $ 0 | | | | | | |
Podcastone 2022 Equity Plan [Member] | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | | | | | | | | 2,000,000 | | | |
Share-Based Payment Arrangement, Expense | | | | $ 100,000 | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | | | | 879,060 | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | | | | $ 3.64 | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in shares) | | | | 40,625 | | | | | | | |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | | | | $ 1,000,000 | | | | | | | |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) | | | | 9 months 10 days | | | | | | | |
Common Stock [Member] | | | | | | | | | | | |
Stock Issued During Period, Value, Conversion of Convertible Securities | | | | $ 10,000,000 | | | | | | | |
Warrants [Member] | | | | | | | | | | | |
Warrants and Rights Outstanding, Term (Year) | 3 years | | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 2.1 | | | | | | | | | | |
Warrants and Rights Outstanding | | | | $ 1,600,000 | | | | | | | |
Warrants Issued in Podcastone Common Stock and Reclassified to Equity [Member] | | | | | | | | | | | |
Warrants and Rights Outstanding | | | | | | | $ 5,900,000 | | | | |
H S C P M [Member] | Warrants [Member] | | | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 910,340 | | | | | | | | | | |
H S C P [Member] | Warrants [Member] | | | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 389,660 | | | | | | | | | | |
Trinad Capital [Member] | Warrants [Member] | | | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 535,399 | | | | | | | | | | |
Conversion of Series A Preferred Stock into Common Stock [Member] | | | | | | | | | | | |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ 2.1 | | | | | | | | | | |
Conversion of Stock, Amount Converted | $ 11,400,000 | | | | | | | | | | |
Conversion of Series A Preferred Stock into Common Stock [Member] | H S C P M [Member] | | | | | | | | | | | |
Conversion of Stock, Shares Converted (in shares) | 5,602.09 | | | | | | | | | | |
Conversion of Stock, Shares Issued (in shares) | 2,667,664 | | | | | | | | | | |
Conversion of Series A Preferred Stock into Common Stock [Member] | H S C P [Member] | | | | | | | | | | | |
Conversion of Stock, Shares Converted (in shares) | 2,397.91 | | | | | | | | | | |
Conversion of Stock, Shares Issued (in shares) | 1,141,860 | | | | | | | | | | |
Conversion of Series A Preferred Stock into Common Stock [Member] | Trinad Capital [Member] | | | | | | | | | | | |
Conversion of Stock, Shares Converted (in shares) | 3,395.09 | | | | | | | | | | |
Conversion of Stock, Shares Issued (in shares) | 1,616,709 | | | | | | | | | | |
Series A Preferred Stock [Member] | | | | | | | | | | | |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.001 | | | | | | | | | | |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | | | | $ 2.1 | | | | | | | |
Preferred Stock, Dividend Rate, Percentage | | | | 12% | | | | | | | |
Preferred Stock, Maximum Redemption Amount | | | | $ 5,000,000 | | | | | | | |
Proceeds from Issuance of Mandatory Redeemable Capital Securities | | | | $ 20,000,000 | | | | | | | |
Accelerated Share Repurchases, Final Price Paid Per Share (in dollars per share) | | | | $ 2.25 | | | | | | | |
Shares Issued in Event of a Breach (in shares) | | | | 56,473 | | | | | | | |
Temporary Equity, Carrying Amount, Attributable to Parent | | | | $ 5,000,000 | | | | | | | |
Embedded Derivative, Fair Value of Embedded Derivative Liability | | | | 200,000 | | | | | | | |
Preferred Stock, Stated Value Per Share (in dollars per share) | $ 1,000 | | | | | | | | | | |
Temporary Equity, Carrying Amount, Period Increase (Decrease) | | | | (5,000,000) | | | | | | | |
Stockholders' Equity, Period Increase (Decrease) | | | | (6,400,000) | | | | | | | |
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net | | | | 600,000 | | | | | | | |
Deemed Dividend Payable | | | | 300,000 | | | | | | | |
Embedded Derivative, Gain on Embedded Derivative | | | | 500,000 | | | | | | | |
Preferred Stock, Value, Issued | | | | $ 16,200,000 | | | | | | | |
Preferred Stock Dividends, Shares (in shares) | | | | 378 | 0 | | | | | | |