Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Acquisitions (Details Textual)

v3.21.2
Note 4 - Acquisitions (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Aug. 24, 2021
Jun. 06, 2021
Jun. 01, 2021
Jun. 06, 2019
Jul. 31, 2020
Jun. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Aug. 24, 2021
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Amortization of Intangible Assets, Total             $ 1,110,000     $ 1,857,000    
Common Stock, Par or Stated Value Per Share (in dollars per share)             $ 0.001     $ 0.001   $ 0.001
Preferred Stock, Par or Stated Value Per Share (in dollars per share)             $ 0.001     $ 0.001   $ 0.001
Net Income (Loss) Attributable to Parent, Total             $ (6,964,000) $ (4,298,000)   $ (13,615,000) $ (13,992,000)  
Super League Closing Stock Price Per Share On the Closing Date (in dollars per share)     $ 4.96                  
Share-based Payment Arrangement, Expense             636,000 470,000   1,609,000 1,570,000  
Income Tax Expense (Benefit), Total             $ (5,000) $ (0)   (3,078,000) $ (0)  
Deferred Compensation Arrangement with Individual, Compensation Expense         $ 90,000              
Merger Agreement [Member]                        
Income Tax Expense (Benefit), Total                   $ (3,073,000)    
Former Mobcrush Employees [Member]                        
Common Stock, Capital Shares Reserved for Future Issuance (in shares)             514,633     514,633    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)                   415,000    
Share-based Payment Arrangement, Expense             $ 96,000     $ 136,000    
Mobcrush Acquisition [Member]                        
Common Stock, Par or Stated Value Per Share (in dollars per share)     0.001                  
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.001                  
Developed Technology Rights [Member]                        
Amortization of Intangible Assets, Total             36,000     36,000    
Bannerfy Acquisition [Member]                        
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) $ 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, Acquisition Related Costs $ 62,000                      
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                      
Mobcrush Acquisition [Member]                        
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable     $ 59,855,000                  
Business Acquisition, Share Price (in dollars per share)     $ 4.96                  
Business Combination, Acquisition Related Costs     $ 636,000                  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities     $ 3,073,000                  
Amortization of Intangible Assets, Total             817,000     1,100,000    
Business Combination, Right To Receive Common Stock, Shares For Each Cancelled Common Stock And Preferred Stock, Share Of Acquiree (in dollars per share)     $ 0.528                  
Stock Issued During Period, Shares, Acquisitions (in shares)     12,067,571                  
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     514,633                  
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)     12,582,204                  
Net Income (Loss) Attributable to Parent, Total             $ 2,100,000     $ 2,300,000    
Merger Agreement [Member]                        
Payments to Acquire Businesses, Gross       $ 1,500,000                
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable       $ 1,000,000.0                
Framerate Acquisition [Member]                        
Business Acquisition, Share Price (in dollars per share)       $ 7.4395                
Stock Issued During Period, Shares, Acquisitions (in shares)           32,936            
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)   980,000   134,422                
Business Combination, Contingent Consideration, Liability, Total   $ 454,000                    
Deferred Compensation Arrangement with Individual, Compensation Expense       $ 200,000