Annual report pursuant to Section 13 and 15(d)

Note 5 - Acquisitions (Details Textual)

v3.22.1
Note 5 - Acquisitions (Details Textual)
 1 Months Ended 8 Months Ended 12 Months Ended
Oct. 04, 2021
USD ($)
$ / shares
shares
Aug. 24, 2021
USD ($)
$ / shares
Jun. 06, 2021
shares
Jun. 01, 2021
USD ($)
$ / shares
shares
Jun. 30, 2020
shares
Aug. 24, 2021
USD ($)
$ / shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
Sep. 03, 2021
$ / shares
Jun. 06, 2019
$ / shares
Aug. 01, 2018
$ / shares
Dec. 31, 2015
$ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares             $ 0.001 $ 0.001 $ 0.001      
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares             $ 0.001 $ 0.001     $ 0.001 $ 0.001
Number of Reportable Segments             1          
Super League Closing Stock Price Per Share On the Closing Date (in dollars per share) | $ / shares       $ 4.96                
Amortization of Intangible Assets, Total             $ 3,187,000 $ 1,258,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | shares             998,000          
Share-based Payment Arrangement, Expense             $ 2,381,000 2,004,000        
Income Tax Expense (Benefit), Total             (3,111,000) $ (0)        
Share Price (in dollars per share) | $ / shares $ 2.91                      
Merger Agreement [Member]                        
Income Tax Expense (Benefit), Total             $ (3,073,000)          
Minimum [Member]                        
Finite-Lived Intangible Asset, Useful Life (Year)               3 years        
Maximum [Member]                        
Finite-Lived Intangible Asset, Useful Life (Year)               10 years        
Former Mobcrush Employees [Member]                        
Common Stock, Capital Shares Reserved for Future Issuance (in shares) | shares             514,633          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | shares             415,000          
Share-based Payment Arrangement, Expense             $ 252,000          
Mobcrush Acquisition [Member]                        
Business Combination, Right To Receive Common Stock, Shares For Each Cancelled Common Stock And Preferred Stock, Share Of Acquiree (in dollars per share) | $ / shares       $ 0.528                
Stock Issued During Period, Shares, Acquisitions (in shares) | shares       12,067,571                
Common Stock, Capital Shares Reserved for Future Issuance (in shares) | shares       514,633                
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares       12,582,204                
Business Combination, Acquisition Related Costs       $ 636,000                
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual             5,200,000          
Amortization of Intangible Assets, Total             1,883,000          
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable       $ 59,855,000                
Business Acquisition, Share Price (in dollars per share) | $ / shares       $ 4.96                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities       $ 3,073,000                
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       7 years                
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Minimum [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       6 years                
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Maximum [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       10 years                
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Measurement Input, Discount Rate [Member] | Minimum [Member]                        
Intangible Asset, Measurement Input       13                
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Measurement Input, Discount Rate [Member] | Maximum [Member]                        
Intangible Asset, Measurement Input       14                
Mobcrush Acquisition [Member] | Trademarks [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       7 years                
Mobcrush Acquisition [Member] | Trademarks [Member] | Minimum [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       4 years                
Mobcrush Acquisition [Member] | Trademarks [Member] | Maximum [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       5 years                
Mobcrush Acquisition [Member] | Trademarks [Member] | Measurement Input, Discount Rate [Member]                        
Intangible Asset, Measurement Input       14                
Mobcrush Acquisition [Member] | Technology-Based Intangible Assets [Member] | Measurement Input, Royalty Rate [Member] | Minimum [Member]                        
Intangible Asset, Measurement Input       3                
Mobcrush Acquisition [Member] | Technology-Based Intangible Assets [Member] | Measurement Input, Royalty Rate [Member] | Maximum [Member]                        
Intangible Asset, Measurement Input       5                
Mobcrush Acquisition [Member] | Influencers Content Creators [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       5 years                
Mobcrush Acquisition [Member] | Influencers Content Creators [Member] | Minimum [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       20 months                
Mobcrush Acquisition [Member] | Influencers Content Creators [Member] | Maximum [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       4 years                
Mobcrush Acquisition [Member] | Influencers Content Creators [Member] | Measurement Input, Discount Rate [Member]                        
Intangible Asset, Measurement Input       13                
Mobcrush Acquisition [Member] | Customer Relationships [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       5 years                
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Discount Rate [Member]                        
Intangible Asset, Measurement Input       13                
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Rate of Return [Member]                        
Intangible Asset, Measurement Input       14                
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Discount Period [Member]                        
Intangible Asset, Measurement Input       0.5                
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Risk Adjusted Return [Member]                        
Intangible Asset, Measurement Input       1.1                
Mobcrush Acquisition [Member] | Developed Technology Rights [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       5 years                
Bannerfy Acquisition [Member]                        
Business Combination, Acquisition Related Costs   $ 62,000                    
Amortization of Intangible Assets, Total             146,000          
Business Combination Consideration Transferred Including Contingent Consideration   7,000,000.0                    
Business Combination, Consideration Transferred, Total   2,450,000                    
Payments to Acquire Businesses, Gross   525,000                    
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable   $ 1,920,000                    
Business Acquisition, Share Price (in dollars per share) | $ / shares   $ 4.10       $ 4.10            
Business Combination, Holdback Amount   $ 275,000                    
Business Combination, Holdback Amount, Cash Portion   55,000                    
Business Combination, Holdback Amount, Common Stock Portion   220,000                    
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High   $ 4,550,000       $ 4,550,000            
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Remainder of Fiscal Year   8.00%       8.00%            
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Year One   38.00%       38.00%            
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Year Two   54.00%       54.00%            
Business Combination, Contingent Consideration, Percent Payable in Cash   21.00%       21.00%            
Business Combination, Contingent Consideration, Percent Payable in Common Stock   79.00%       79.00%            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities   $ 556,000       $ 556,000            
Bannerfy Acquisition [Member] | Base Rate [Member]                        
Debt Instrument, Basis Spread on Variable Rate           1.00%            
Bannerfy Acquisition [Member] | Developed Technology Rights [Member]                        
Finite-Lived Intangible Asset, Useful Life (Year)   7 years                    
Bloxbiz [Member]                        
Stock Issued During Period, Shares, Acquisitions (in shares) | shares 1,031,928                      
Business Combination, Acquisition Related Costs $ 47,000                      
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual             486,000          
Amortization of Intangible Assets, Total             $ 99,000          
Business Combination, Consideration Transferred, Total 6,000,000                      
Payments to Acquire Businesses, Gross 3,000,000                      
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable $ 3,000,000                      
Business Acquisition, Share Price (in dollars per share) | $ / shares $ 2.91                      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 11,500,000                      
Bloxbiz [Member] | Measurement Input, Rate of Return [Member]                        
Business Combination, Contingent Consideration, Liability, Measurement Input 30                      
Bloxbiz [Member] | Measurement Input, Discount Period [Member]                        
Business Combination, Contingent Consideration, Liability, Measurement Input 0.5                      
Bloxbiz [Member] | Measurement Input, Risk Adjusted Return [Member] | Minimum [Member]                        
Business Combination, Contingent Consideration, Liability, Measurement Input 1.1                      
Bloxbiz [Member] | Measurement Input, Risk Adjusted Return [Member] | Maximum [Member]                        
Business Combination, Contingent Consideration, Liability, Measurement Input 1.3                      
Bloxbiz [Member] | Measurement Input, Cost of Capital [Member] | Weighted Average [Member]                        
Business Combination, Contingent Consideration, Liability, Measurement Input 30                      
Bloxbiz [Member] | Customer Relationships [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) 3 years                      
Bloxbiz [Member] | Developed Technology Rights [Member]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) 7 years                      
Framerate Acquisition [Member]                        
Stock Issued During Period, Shares, Acquisitions (in shares) | shares         32,936              
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares     980,000                  
Business Acquisition, Share Price (in dollars per share) | $ / shares                   $ 7.44    
Mobcrush Acquisition [Member]                        
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares       $ 0.001                
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares       $ 0.001