Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.23.1
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Jan. 31, 2023
Jan. 01, 2022
Dec. 31, 2022
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 30, 2022
Sep. 29, 2022
May 16, 2022
Mar. 25, 2022
Oct. 04, 2021
Dec. 31, 2020
Aug. 01, 2018
Dec. 31, 2015
Goodwill, Impairment Loss     $ 8,300,000   $ 42,000,000.0 $ 50,263,000 $ 0                
Net Income (Loss) Attributable to Parent, Total           (85,451,000) (20,748,000)                
Retained Earnings (Accumulated Deficit), Total     (210,743,000)     (210,743,000) (125,292,000)                
Net Cash Provided by (Used in) Operating Activities, Total           (19,826,000) (22,707,000)                
Cash and Cash Equivalents, at Carrying Value, Total     $ 2,482,000     $ 2,482,000 $ 14,533,000                
Stock Issued During Period, Shares, New Issues           10,323                  
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.001     $ 0.001 $ 0.001             $ 0.001 $ 0.001
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs           $ 8,926,000 $ 0                
Payments of Stock Issuance Costs           1,397,000                  
Advertising Expense           507,000 568,000                
Goodwill, Ending Balance     $ 0     $ 0 50,263,000 $ 8,300,000 $ 50,300,000       $ 2,565,000    
Percentage of Change in Share Price     50.00% 34.00%                      
Share Price     $ 0.336 $ 0.68 $ 0.68 $ 0.336           $ 2.91      
Reporting Unit, Percentage of Carrying Amount in Excess of Fair Value     46.00% 38.00% 38.00% 46.00%                  
Reporting Unit, Fair Value Amount     $ 12,600,000 $ 25,200,000 $ 25,200,000 $ 12,600,000                  
Reporting Unit, Carrying Amount     27,500,000 $ 67,300,000 $ 67,300,000 27,500,000                  
Payments of Financing Costs, Total           1,397,000 434,000                
Debt Financing Costs Expensed As Incurred           $ 123,000 $ 0                
Common Stock Underlying All Outstanding Stock Option, Restricted Stock Units and Warrants [Member]                              
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount           7,174,000 5,060,000                
Common Stock Potentially Issuable in Connection With Conversion of Outstanding Preferred Stock [Member]                              
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount           18,269,000 0                
Common Stock Potentially Issuable in Connection With the Conversion of Outstanding Convertible Notes Payable [Member]                              
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount           143,000 0                
Prepaid Expenses and Other Current Assets [Member]                              
Deferred Costs, Current, Total     374,000     $ 374,000 $ 144,000                
Performance Stock Units [Member] | Super League 2014 Amended and Restated Stock Option and Incentive Plan [Member]                              
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted   1,350,000                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting, Number of Shares Required Vested   270,000                          
Computer Software, Intangible Asset [Member]                              
Finite-Lived Intangible Asset, Useful Life           3 years                  
Minimum [Member]                              
Property, Plant and Equipment, Useful Life           3 years                  
Maximum [Member]                              
Property, Plant and Equipment, Useful Life           5 years                  
Finite-Lived Intangible Asset, Useful Life           10 years                  
Transferred at Point in Time [Member]                              
Percentage of Revenue           32.00% 19.00%                
Transferred over Time [Member]                              
Percentage of Revenue           68.00% 81.00%                
Tumim Stone Capital, LLC [Member]                              
Stock Purchase Agreement, Maximum Obligated Purchase Amount                     $ 10,000,000        
Senior Convertible Notes [Member]                              
Notes Payable, Total                   $ 4,320,000          
Debt Instrument, Discount, Percent                   8.00%          
Series A Preferred Stock [Member]                              
Stock Issued During Period, Shares, New Issues           5,359                  
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs           $ 4,607,000                  
Payments of Stock Issuance Costs           $ 752,000                  
Series A-2 Preferred Stock [Member]                              
Stock Issued During Period, Shares, New Issues           1,297                  
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs           $ 1,128,000                  
Payments of Stock Issuance Costs           $ 169,000                  
Series A-3 Preferred Stock [Member]                              
Stock Issued During Period, Shares, New Issues           1,733                  
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs           $ 1,508,000                  
Payments of Stock Issuance Costs           $ 225,000                  
Series A-4 Preferred Stock [Member]                              
Stock Issued During Period, Shares, New Issues           1,934                  
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs           $ 1,683,000                  
Payments of Stock Issuance Costs           251,000                  
Subscription Agreements [Member]                              
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs     8,900,000                        
Payments of Stock Issuance Costs     1,400,000                        
Subscription Agreements [Member] | Securities Purchase Agreement [Member]                              
Proceeds from Issuance of Preferred Stock Used in Connection With Redemption of Debt     $ 4,200,000     $ 3,621,000                  
Subscription Agreements [Member] | Series A Preferred Offerings [Member]                              
Stock Issued During Period, Shares, New Issues     10,323                        
Subscription Agreements [Member] | Series A Preferred Stock [Member]                              
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.001     $ 0.001                  
Shares Issued, Price Per Share (in dollars per share)     1,000     1,000                  
Subscription Agreements [Member] | Series A-2 Preferred Stock [Member]                              
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     0.001     0.001                  
Shares Issued, Price Per Share (in dollars per share)     1,000     1,000                  
Subscription Agreements [Member] | Series A-3 Preferred Stock [Member]                              
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     0.001     0.001                  
Shares Issued, Price Per Share (in dollars per share)     1,000     1,000                  
Subscription Agreements [Member] | Series A-4 Preferred Stock [Member]                              
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     0.001     0.001                  
Shares Issued, Price Per Share (in dollars per share)     $ 1,000     $ 1,000                  
Subscription Agreements [Member] | Series A-5 Preferred Stock [Member] | Subsequent Event [Member]                              
Stock Issued During Period, Shares, New Issues 2,299                            
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001                            
Shares Issued, Price Per Share (in dollars per share) $ 1,000                            
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs $ 2,000,000                            
Payments of Stock Issuance Costs $ 299,000