Annual report [Section 13 and 15(d), not S-K Item 405]

Note 4 - Intangible and Other Assets (Details Textual)

v3.25.1
Note 4 - Intangible and Other Assets (Details Textual)
 1 Months Ended 10 Months Ended 12 Months Ended
Feb. 29, 2024
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Feb. 09, 2024
USD ($)
Amortization of Intangible Assets       $ 2,544,000 $ 5,238,000  
Intangible Assets, Net (Excluding Goodwill)     $ 4,070,000 4,070,000 6,636,000  
Finite-Lived Intangible Assets, Gross     20,431,000 20,431,000 21,649,000  
Finite-Lived Intangible Assets, Accumulated Amortization     16,361,000 16,361,000 15,013,000  
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal       183,000 0  
Impairment of Intangible Assets (Excluding Goodwill)       $ 0 7,052,000  
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]       us-gaap_GainLossOnDispositionOfIntangibleAssets    
Minehut [Member]            
Intangible Assets, Net (Excluding Goodwill) $ 475,000          
Finite-Lived Intangible Assets, Gross 1,671,000          
Finite-Lived Intangible Assets, Accumulated Amortization 1,196,000          
Microsoft Minecraft server and InPvP Developed Technology [Member]            
Finite-Lived Intangible Assets, Gross         7,912,000  
Impairment of Intangible Assets (Excluding Goodwill)         7,052,000  
Finite-Lived Intangible Assets, Fair Value Disclosure         $ 860,000  
Microsoft Minecraft server and InPvP Developed Technology [Member] | Measurement Input, Expected Term [Member]            
Finite-lived Intangible Asset, Measurement Input         5  
Microsoft Minecraft server and InPvP Developed Technology [Member] | Measurement Input, Discount Rate [Member]            
Finite-lived Intangible Asset, Measurement Input         0.16  
Developed Technology Rights [Member]            
Finite-Lived Intangible Assets, Gross     3,931,000 $ 3,931,000 $ 3,931,000  
Developed Technology Rights [Member] | Bannerfy Acquisition [Member]            
Finite-Lived Intangible Assets, Accumulated Amortization   $ 785,000        
Impairment of Intangible Assets, Finite-Lived   2,284,000        
Finite-Lived Intangible Assets, Period Increase (Decrease)   $ (3,069,000)        
Minehut [Member]            
Disposal Group, Including Discontinued Operation, Consideration 619,000          
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal 144,000   $ 39,000      
Disposal Group, Including Discontinued Operation, Consideration, Receivable           $ 619,000
Royalty Income, Nonoperating       658,000    
Minehut [Member] | Maximum [Member]            
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal $ 1,000,000          
Cost of Sales [Member]            
Amortization of Intangible Assets       $ 0 $ 53,000