Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Note 2 - Summary of Significant Accounting Policies (Details Textual)
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2023
USD ($)
$ / shares
shares
Dec. 01, 2022
shares
Jan. 01, 2022
$ / shares
shares
May 05, 2023
USD ($)
$ / shares
shares
Mar. 31, 2023
USD ($)
$ / shares
shares
Mar. 31, 2022
USD ($)
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Mar. 25, 2022
USD ($)
Net Income (Loss) Attributable to Parent         $ (7,236,000) $ (7,916,000)    
Retained Earnings (Accumulated Deficit)         (217,979,000)   $ (210,743,000)  
Net Cash Provided by (Used in) Operating Activities         (2,978,000) (6,287,000)    
Cash and Cash Equivalents, at Carrying Value         $ 590,000   $ 2,482,000  
Stock Issued During Period, Shares, New Issues | shares         12,622   10,323  
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares         $ 0.001   $ 0.001  
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs         $ 1,919,000 0 $ 8,926,000  
Payments of Stock Issuance Costs         1,696,000   1,397,000  
Proceeds from Issuance of Preferred Stock and Preference Stock         12,622,000   10,323,000  
Advertising Expense         9,000 150,000    
Share-Based Payment Arrangement, Expense         $ 783,000 $ 1,099,000    
Number of Reportable Segments         1      
Common Stock Underlying All Outstanding Stock Option, Restricted Stock Units and Warrants [Member]                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares         6,916,000 6,352,000    
Common Stock Potentially Issuable in Connection With Conversion of Outstanding Preferred Stock [Member]                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares         22,414,000      
Prepaid Expenses and Other Current Assets [Member]                
Deferred Costs, Current         $ 282,000   $ 349,000  
Performance Stock Units [Member]                
Share-Based Payment Arrangement, Expense         250,000 $ 557,000    
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 | shares     1,350,000          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting, Number of Increments     5          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting, Number of Shares Required Vested | shares     270,000          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period     3 years          
Performance Stock Units [Member] | Super League 2014 Amended and Restated Stock Option and Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche One [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares     $ 4.75          
Performance Stock Units [Member] | Super League 2014 Amended and Restated Stock Option and Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares     6.00          
Performance Stock Units [Member] | Super League 2014 Amended and Restated Stock Option and Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Three [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares     7.00          
Performance Stock Units [Member] | Super League 2014 Amended and Restated Stock Option and Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Four [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares     8.00          
Performance Stock Units [Member] | Super League 2014 Amended and Restated Stock Option and Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Five [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares     $ 9.00          
Stock Warrants [Member] | Share-Based Payment Arrangement, Nonemployee [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted | shares   500,000            
Share-Based Payment Arrangement, Expense         $ 63,000      
Computer Software, Intangible Asset [Member]                
Finite-Lived Intangible Asset, Useful Life         3 years      
Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life         3 years      
Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life         10 years      
Transferred at Point in Time [Member]                
Percentage of Revenue         29.00% 21.00%    
Transferred over Time [Member]                
Percentage of Revenue         71.00% 79.00%    
Tumim Stone Capital, LLC [Member]                
Stock Purchase Agreement, Maximum Obligated Purchase Amount               $ 10,000,000
Subsequent Event [Member]                
Shares Issued, Price Per Share (in dollars per share) | $ / shares       $ 1,000        
Series A-5 Preferred Stock [Member]                
Stock Issued During Period, Shares, New Issues | shares         2,299      
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs         $ 2,000,000      
Payments of Stock Issuance Costs         299,000      
Proceeds from Issuance of Preferred Stock and Preference Stock         $ 2,299,000      
Series AA, AA-2, AA-3, and AA-4 Convertible Preferred Stock [Member] | Subsequent Event [Member]                
Stock Issued During Period, Shares, New Issues | shares       11,231        
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares       $ 1,000        
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs       $ 9,869,000        
Payments of Stock Issuance Costs       1,362,000        
Proceeds from Issuance of Preferred Stock and Preference Stock       $ 11,231,000        
Subscription Agreements [Member] | Series A-5 Preferred Stock [Member]                
Stock Issued During Period, Shares, New Issues | shares 2,299              
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares $ 0.001              
Shares Issued, Price Per Share (in dollars per share) | $ / shares $ 1,000              
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs $ 2,000,000              
Payments of Stock Issuance Costs $ 299,000              
Subscription Agreements [Member] | Series AA, AA-2, AA-3, and AA-4 Convertible Preferred Stock [Member] | Subsequent Event [Member]                
Stock Issued During Period, Shares, New Issues | shares       11,231        
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares       $ 0.001        
Shares Issued, Price Per Share (in dollars per share) | $ / shares       $ 1,000