Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Note 2 - Summary of Significant Accounting Policies (Details Textual)
 1 Months Ended 3 Months Ended 6 Months Ended 18 Months Ended
May 01, 2023
USD ($)
$ / shares
shares
Apr. 30, 2023
$ / shares
shares
Jan. 01, 2022
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
shares
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
shares
Mar. 25, 2022
USD ($)
Dec. 31, 2021
USD ($)
Net Income (Loss) Attributable to Parent         $ (6,836,000) $ (8,720,000) $ (14,072,000) $ (16,636,000)      
Retained Earnings (Accumulated Deficit)       $ (210,743,000) (224,815,000)   (224,815,000)   $ (224,815,000)    
Net Cash Provided by (Used in) Operating Activities             (10,792,000) (10,247,000)      
Cash and Cash Equivalents, at Carrying Value       2,482,000 2,569,000   2,569,000   2,569,000    
Contract with Customer, Liability       111,000 269,000   269,000   $ 269,000   $ 76,000
Contract with Customer, Liability, Revenue Recognized         0 44,000 82,000 47,000      
Advertising Expense         13,000 134,000 22,000 284,000      
Share-Based Payment Arrangement, Expense         749,000 1,000,000 $ 1,532,000 2,099,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period | shares   1,179,979                  
Number of Reportable Segments             1        
Income Tax Expense (Benefit)         (313,000) (0) $ (313,000) (46,000)      
Common Stock Underlying All Outstanding Stock Option, Restricted Stock Units and Warrants [Member]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares             15,757,000   6,787,000    
Common Stock Potentially Issuable in Connection With Conversion of Outstanding Preferred Stock [Member]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares             38,989,000        
Prepaid Expenses and Other Current Assets [Member]                      
Deferred Costs, Current       $ 349,000 282,000   $ 282,000   $ 282,000    
Share-Based Payment Arrangement, Employee [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period | shares 584,438                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross | shares 1,356,000 6,100,000                  
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares $ 0.4905 $ 0.49                  
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 960,000                    
Performance Stock Units [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted | shares   1,350,000                  
Share-Based Payment Arrangement, Expense         48,000 $ 564,000 298,000 $ 1,121,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures | shares   1,350,000                  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount         540,000   540,000   $ 540,000    
Performance Stock Units [Member] | Share-Based Payment Arrangement, Tranche One [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares   $ 0.80                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   20.00%                  
Performance Stock Units [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares   $ 1.00                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   20.00%                  
Performance Stock Units [Member] | Share-Based Payment Arrangement, Tranche Three [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares   $ 1.20                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   20.00%                  
Performance Stock Units [Member] | Share-Based Payment Arrangement, Tranche Four [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares   $ 1.40                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   20.00%                  
Performance Stock Units [Member] | Share-Based Payment Arrangement, Tranche Five [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Requirement, Stock Price | $ / shares   $ 1.60                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   20.00%                  
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 Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures | shares   522,015                  
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         62,000   $ 124,000        
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares       $ 0.67              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares       $ 0.50              
Modified Performance Stock Units [Member]                      
Share-Based Payment Arrangement, Expense         $ 89,000            
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Employee [Member]                      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 4 years                    
Modified Stock Options [Member] | Share-Based Payment Arrangement, Employee [Member]                      
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 449,000                    
Vested Modified Stock Options [Member] | Share-Based Payment Arrangement, Employee [Member]                      
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 101,000                    
Unvested Modified Stock Options [Member] | Share-Based Payment Arrangement, Employee [Member]                      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 4 years                    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 348,000                    
Computer Software, Intangible Asset [Member]                      
Finite-Lived Intangible Asset, Useful Life         3 years   3 years   3 years    
Minimum [Member]                      
Finite-Lived Intangible Asset, Useful Life         3 years   3 years   3 years    
Minimum [Member] | Performance Stock Units [Member]                      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition             8 months 8 days        
Maximum [Member]                      
Finite-Lived Intangible Asset, Useful Life         10 years   10 years   10 years    
Maximum [Member] | Performance Stock Units [Member]                      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition             1 year 6 months        
Transferred at Point in Time [Member]                      
Percentage of Revenue         35.00% 43.00% 32.00% 33.00%      
Transferred over Time [Member]                      
Percentage of Revenue         65.00% 57.00% 68.00% 67.00%      
Tumim Stone Capital, LLC [Member]                      
Stock Purchase Agreement, Maximum Obligated Purchase Amount                   $ 10,000,000