v3.25.2
Note 11 - Stockholders' Equity, Stock Options and Warrants (Details Textual)
 2 Months Ended 12 Months Ended
Jul. 25, 2024
USD ($)
$ / shares
shares
Apr. 19, 2023
shares
Mar. 16, 2023
$ / shares
shares
Jun. 30, 2024
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
May 03, 2024
USD ($)
$ / shares
Common Stock, Par or Stated Value Per Share | $ / shares         $ 0.01 $ 0.01 $ 0.01
Proceeds from Issuance of Common Stock | $         $ 4,960,562 $ 0  
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares         $ 8.92 $ 21.52  
Class of Warrant or Right, Exercised During Period, Exercise Price | $ / shares         $ 1.32    
Payments of Stock Issuance Costs | $         $ 870,960 $ (0)  
Preferred Stock, Shares Authorized (in shares)         20,000,000 20,000,000  
Common Stock, Shares Authorized (in shares)   200,000,000     200,000,000 200,000,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number         43,576 46,814  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price | $ / shares         $ 82.74 $ 83.61  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term         4 years 5 months 19 days 5 years 6 months 21 days  
Class of Warrant or Right Number of Warrants Vested and Exercisable         2,750,429 1,806,589  
Share-Based Payment Arrangement, Expense | $         $ 906 $ 330  
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount | $         $ 0    
Minimum [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares         $ 1.07    
Maximum [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares         $ 125    
Maximum [Member] | Share-Based Payment Arrangement, Option [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)         3 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)         10 years    
Reverse Stock Split [Member]              
Stockholders' Equity Note, Stock Split, Conversion Ratio   20          
Reverse Stock Split [Member] | Minimum [Member]              
Stockholders' Equity Note, Stock Split, Conversion Ratio   2          
Reverse Stock Split [Member] | Maximum [Member]              
Stockholders' Equity Note, Stock Split, Conversion Ratio   25          
Series F Preferred Stock [Member]              
Stock Issued During Period, Shares, New Issues     79,404        
Preferred Stock, Shares Authorized (in shares)     80,000        
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares     $ 0.01   $ 0.01    
Preferred Stock Dividends, Shares Per Share (in shares)     1        
Preferred Stock, Voting Rights Per Share (in shares)     1,000,000        
Preferred Stock, Shares Outstanding   0          
Series F Preferred Stock [Member] | O 2023 Q1 Dividends [Member]              
Dividends Payable, Date of Record     Mar. 27, 2023        
Series B Convertible Preferred Stock [Member]              
Preferred Stock, Shares Authorized (in shares)         2,300,000 2,300,000  
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares         $ 0.01 $ 0.01  
Preferred Stock, Shares Outstanding         79,246 79,246  
Preferred Stock, Conversion Rate         16    
The February 2021, June 2021, and May 2022 Warrants [Member]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 958,117            
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares $ 14            
Class of Warrant or Right, Exercised During Period, Exercise Price | $ / shares $ 1.32            
Proceeds from Warrant Exercises | $ $ 1,265,000            
Payments of Stock Issuance Costs | $ $ 594,033            
Series A Warrants [Member]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 958,117            
Warrants and Rights Outstanding, Term 5 years            
Series B Warrants [Member]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 958,117            
Warrants and Rights Outstanding, Term 18 months            
Series A and Series B Warrants [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares $ 1.07            
Placement Agent Warrants [Member]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 67,068            
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares $ 1.65            
Warrants and Rights Outstanding, Term 5 years            
Warrants or Rights, Commissions, Percent 7.00%            
Warrants or Rights, Management Fee, Percent 1.00%            
Warrants or Rights, Issuance Expenses | $ $ 35,000            
Warrants or Rights, Clearing Fees | $ $ 15,950            
Warrants or Rights, Placement Agent Fee, Percent 700.00%            
Sales Agreement [Member]              
Sale of Stock, Maximum Amount | $             $ 3,696,000
Sale of Stock, Commissions, Percent             3.00%
Stock Issued During Period, Shares, New Issues       1,607,100      
Shares Issued, Price Per Share | $ / shares       $ 2.3      
Proceeds from Issuance of Common Stock | $       $ 3,696,000