Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Equity (Details Textual)

v3.24.3
Note 10 - Equity (Details Textual)
1 Months Ended 2 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Sep. 27, 2024
USD ($)
$ / shares
shares
Sep. 19, 2024
USD ($)
shares
Sep. 09, 2024
USD ($)
shares
Aug. 26, 2024
shares
Aug. 12, 2024
USD ($)
$ / shares
shares
Jul. 27, 2024
USD ($)
shares
Jul. 26, 2024
$ / shares
shares
Apr. 02, 2024
USD ($)
$ / shares
shares
Mar. 15, 2024
shares
Jul. 08, 2023
$ / shares
shares
Aug. 12, 2024
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
Sep. 03, 2024
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
Jul. 07, 2024
shares
Dec. 31, 2023
USD ($)
Aug. 29, 2023
$ / shares
shares
Jul. 15, 2023
shares
Share-Based Payment Arrangement, Expense | $                         $ 2,316,000 $ 78,000   $ 2,433,000 $ 226,000        
Proceeds from Warrant Exercises | $                               32,000 0        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Fair Value | $                               1,600 0        
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount | $                       $ 621,000 621,000     $ 621,000          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                               335,728          
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) | $ / shares                               $ 5.18          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | $                       $ 0 0     $ 0     $ 0    
Officer [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               19,344                          
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) | $ / shares               $ 5.18                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | $               $ 99,000                          
Employees, Officers, Directors and Consultants [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                   327,421                      
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) | $ / shares         $ 5.18         $ 5.18                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | $         $ 1,501,000           $ 1,501,000                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares)         11,037                                
The Merger [Member]                                          
Stock Issued During Period, Shares, Conversion of Units (in shares)       75,375                                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                               113,522          
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) | $ / shares                               $ 82.25          
The Merger [Member] | Former Shareholders of WaveDancer [Member] | Share-Based Payment Arrangement, Option [Member]                                          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)         113,522                                
Restricted Stock Units (RSUs) [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         59,264                                
Share-Based Payment Arrangement, Expense | $         $ 410,000               410,000 0   $ 410,000 0        
Restricted Stock Units (RSUs) [Member] | Management and Directors [Member]                                          
Share-Based Payment Arrangement, Expense | $         $ 410,000                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)         59,264                                
Restricted Stock [Member] | Board of Directors Chairman [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 557,885                                        
Share-Based Payment Arrangement, Option [Member]                                          
Share-Based Payment Arrangement, Expense | $                         1,296,000 $ 78,000   1,413,000 $ 226,000        
Share-Based Payment Arrangement, Option [Member] | Officer [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)               5 years                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Exercise Price, Percentage Discount on IPO               25.00%                          
Share-Based Payment Arrangement, Option [Member] | Employees, Officers, Directors and Consultants [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)                   5 years                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Exercise Price, Percentage Discount on IPO                   25.00%                      
Settlement of Accrued Liabilities With Common Stock [Member]                                          
Debt Conversion, Converted Instrument, Shares Issued (in shares)     10,588   45,344                                
Debt Conversion, Converted Instrument, Amount | $     $ 39,000                                    
Debt Conversion, Original Debt, Amount | $     45,000                                    
Gain (Loss) on Extinguishment of Debt | $     $ 6,000                                    
Share-Based Payment Arrangement, Tranche One [Member] | Officer [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               11,024                          
Share-Based Payment Arrangement, Tranche One [Member] | Employees, Officers, Directors and Consultants [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                   37,709                      
Share-Based Payment Arrangement, Tranche One [Member] | Restricted Stock [Member] | Board of Directors Chairman [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value | $ $ 1,674                                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares $ 3                                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month) 6 months                                        
Share-Based Payment Arrangement, Tranche One [Member] | Share-Based Payment Arrangement, Option [Member] | Officer [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)               3 years                          
Number of Installments               36                          
Share-Based Payment Arrangement, Tranche One [Member] | Share-Based Payment Arrangement, Option [Member] | Employees, Officers, Directors and Consultants [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)                   3 years                      
Number of Installments                   36                      
Share-Based Payment Arrangement, Tranche Two [Member] | Officer [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               8,320                          
Share-Based Payment Arrangement, Tranche Two [Member] | Restricted Stock [Member] | Board of Directors Chairman [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month) 12 months                                        
Share-Based Payment Arrangement, Tranche Two [Member] | Share-Based Payment Arrangement, Option [Member] | Officer [Member]                                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)               3 years                          
Number of Installments               36                          
Shares Issued for Prepaid Services [Member]                                          
Number of Strategic Investments           4                              
Arrangement, Shares to be Issued (in shares)           433,360                              
Arrangement, Shares to be Issued, Value | $           $ 2,440,000                              
Prepaid Expense | $           $ 2,925,000                              
Arrangement, Period (Year)           3 years                              
Stock Issued During Period, Value, Issued for Services | $                         2,440,000     2,440,000          
Shares Issued for Prepaid Services [Member] | Share-Based Payment Arrangement, Tranche One [Member]                                          
Arrangement, Shares to be Issued (in shares)           140,749                              
Arrangement, Lock-up Restriction, Period (Month)           12 months                              
Shares Issued for Prepaid Services [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                                          
Arrangement, Shares to be Issued (in shares)           292,611                              
Arrangement, Lock-up Restriction, Period (Month)           6 months                              
Consulting Agreement [Member]                                          
Arrangement, Shares to be Issued (in shares)                 24,375                        
Arrangement, Lock-up Restriction, Period (Month)         6 months                                
Stock Issued During Period, Shares, Issued for Services (in shares)         22,344       20,313     22,344                  
Stock Issued During Period, Value, Issued for Services | $         $ 129,000             $ 129,000 $ 209,000     $ 209,000          
Number of Installments                 12                        
Series B Preferred Stock [Member]                                          
Preferred Stock, Mandatory Conversion Feature, Offering Proceeds Threshold | $                                     $ 1,000,000    
Preferred Stock, Convertible, Conversion Ratio                                     1    
Conversion of Series C Preferred Stock Into Common Stock [Member]                                          
Conversion of Stock, Shares Issued (in shares)                             596,145            
Conversion of Series B Preferred Stock Into Common Stock [Member]                                          
Conversion of Stock, Shares Issued (in shares)                               1,516,199          
Conversion of Stock, Shares Converted (in shares)                               1,516,199          
Series C Preferred Unit Warrants [Member]                                          
Number of Warrants Per Unit                                       1  
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)                       1 1     1          
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares                       $ 24.62 $ 24.62     $ 24.62          
Warrants and Rights Outstanding, Term (Year)                       3 years 3 years     3 years          
Class of Warrant or Right, Issued During Period (in shares)                               86,820          
Broker Warrants [Member]                                          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)                       4,163 4,163     4,163          
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares                       $ 12.31 $ 12.31     $ 12.31          
Warrants and Rights Outstanding, Term (Year)                       3 years 3 years     3 years          
Class of Warrant or Right, Issued During Period (in shares)                               4,163          
Pre-funded Warrants [Member]                                          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)         504,324           504,324                    
Class of Warrant or Right, Issued During Period (in shares)                               504,324          
PIPE Warrants [Member]                                          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)         823,529           823,529                    
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)         1   1       1                    
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares         $ 6.83   $ 0.001       $ 6.83                    
Warrants and Rights Outstanding, Term (Year)         5 years   5 years       5 years                    
Class of Warrant or Right, Issued During Period (in shares)         823,529   504,324                 823,529          
Pre-funded Warrant and PIPE Warrant [Member]                                          
Equity Offering, Unit Price (in dollars per share) | $ / shares         $ 4.249           $ 4.249                    
Tranche A Warrants, Series A Warrants, and Series D Warrants [Member]                                          
Class of Warrant or Right, Exercised During Period (in shares)   435,174                                      
Proceeds from Warrant Exercises | $   $ 32,000                                      
WaveDancer Legacy Warrants [Member]                                          
Class of Warrant or Right, Issued During Period (in shares)         76,098                     76,098          
Tranche A Warrants [Member]                                          
Class of Warrant or Right, Exercised During Period (in shares)   13,852                                      
Series A Warrants [Member]                                          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)                                         629,039
Warrants and Rights Outstanding, Term (Year)                                         5 years
Class of Warrant or Right, Exercised During Period (in shares)   359,451                                      
Class of Warrant or Right, Issued During Period (in shares)                               629,039          
Series A Warrants [Member] | Consulting Agreement [Member]                                          
Class of Warrant or Right, Issued During Period (in shares)                 44,932                        
Warrants and Rights Outstanding | $         $ 80,000           $ 80,000                    
Series D Warrants [Member]                                          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)                                   92,799      
Warrants and Rights Outstanding, Term (Year)                                   5 years      
Class of Warrant or Right, Exercised During Period (in shares)   61,866                                      
Class of Warrant or Right, Issued During Period (in shares)                               92,798          
Warrants and Rights Outstanding | $         $ 610,000           $ 610,000                    
Series C Preferred Stock Offering [Member]                                          
Equity Offering, Maximum Number of Units (in shares)                                       812,500  
Number of Shares Per Unit                                       1  
Equity Offering, Unit Price (in dollars per share) | $ / shares                                       $ 12.31  
Units Issued During Period, Shares (in shares)                               86,953          
Proceeds from Issuance or Sale of Equity | $                               $ 1,070,000          
Payments of Stock Issuance Costs | $                               $ 125,000          
Private Placement [Member]                                          
Equity Offering, Unit Price (in dollars per share) | $ / shares         $ 4.25           $ 4.25                    
Proceeds from Issuance or Sale of Equity | $                     $ 3,500,000                    
Payments of Stock Issuance Costs | $                     $ 52,000                    
Stock Issued During Period, Shares, New Issues (in shares)                     319,207