General form of registration statement for all companies including face-amount certificate companies

Note 11 - 2022 Convertible Note Offering and Second Notes Offering - Summary of Valuation Assumptions for Warrants (Details)

v3.23.3
Note 11 - 2022 Convertible Note Offering and Second Notes Offering - Summary of Valuation Assumptions for Warrants (Details)
May 15, 2023
$ / shares
Jan. 18, 2023
$ / shares
Jul. 06, 2022
$ / shares
Investor Warrants [Member]      
Closing price per share of Common Stock (in dollars per share)     $ 79.84
Investor Warrants [Member] | Measurement Input, Exercise Price [Member]      
Warrants and Rights Outstanding, Measurement Input     79.52
Investor Warrants [Member] | Measurement Input, Price Volatility [Member]      
Warrants and Rights Outstanding, Measurement Input     0.8844
Investor Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]      
Warrants and Rights Outstanding, Measurement Input     0.0296
Investor Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]      
Warrants and Rights Outstanding, Measurement Input     0
Investor Warrants [Member] | Measurement Input, Expected Term [Member]      
Warrants and Rights Outstanding, Measurement Input     5.0
Second Warrants [Member]      
Closing price per share of Common Stock (in dollars per share)   $ 46.08  
Second Warrants [Member] | Measurement Input, Exercise Price [Member]      
Warrants and Rights Outstanding, Measurement Input   79.52  
Second Warrants [Member] | Measurement Input, Price Volatility [Member]      
Warrants and Rights Outstanding, Measurement Input   1.1131  
Second Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]      
Warrants and Rights Outstanding, Measurement Input   0.0343  
Second Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]      
Warrants and Rights Outstanding, Measurement Input   0  
Second Warrants [Member] | Measurement Input, Expected Term [Member]      
Warrants and Rights Outstanding, Measurement Input   5.0  
Third Warrants [Member]      
Closing price per share of Common Stock (in dollars per share) $ 22.16    
Third Warrants [Member] | Measurement Input, Exercise Price [Member]      
Warrants and Rights Outstanding, Measurement Input 79.52    
Third Warrants [Member] | Measurement Input, Price Volatility [Member]      
Warrants and Rights Outstanding, Measurement Input 1.1433    
Third Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]      
Warrants and Rights Outstanding, Measurement Input 0.0346    
Third Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]      
Warrants and Rights Outstanding, Measurement Input 0    
Third Warrants [Member] | Measurement Input, Expected Term [Member]      
Warrants and Rights Outstanding, Measurement Input 5.0    
Second Placement Agent Warrants [Member]      
Closing price per share of Common Stock (in dollars per share)   $ 46.08  
Second Placement Agent Warrants [Member] | Measurement Input, Exercise Price [Member]      
Warrants and Rights Outstanding, Measurement Input   80.48  
Second Placement Agent Warrants [Member] | Measurement Input, Price Volatility [Member]      
Warrants and Rights Outstanding, Measurement Input   1.1131  
Second Placement Agent Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]      
Warrants and Rights Outstanding, Measurement Input   0.0343  
Second Placement Agent Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]      
Warrants and Rights Outstanding, Measurement Input   0  
Second Placement Agent Warrants [Member] | Measurement Input, Expected Term [Member]      
Warrants and Rights Outstanding, Measurement Input   5.0  
Placement Agent Warrants [Member]      
Closing price per share of Common Stock (in dollars per share)     $ 79.84
Placement Agent Warrants [Member] | Measurement Input, Exercise Price [Member]      
Warrants and Rights Outstanding, Measurement Input     80.48
Placement Agent Warrants [Member] | Measurement Input, Price Volatility [Member]      
Warrants and Rights Outstanding, Measurement Input     0.8844
Placement Agent Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]      
Warrants and Rights Outstanding, Measurement Input     0.0296
Placement Agent Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]      
Warrants and Rights Outstanding, Measurement Input     0
Placement Agent Warrants [Member] | Measurement Input, Expected Term [Member]      
Warrants and Rights Outstanding, Measurement Input     5.0