Annual report pursuant to Section 13 and 15(d)

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

v3.22.4
Note 11 - 2022 Convertible Note Offering - Summary of Valuation Assumptions for Warrants (Details)
Jul. 06, 2022
$ / shares
Investor Warrants [Member]  
Closing price per share of Common Stock (in dollars per share) $ 0.0499
Investor Warrants [Member] | Measurement Input, Exercise Price [Member]  
Warrants and Rights Outstanding, Measurement Input 0.0497
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
Placement Agent Warrants [Member]  
Closing price per share of Common Stock (in dollars per share) $ 0.0499
Placement Agent Warrants [Member] | Measurement Input, Exercise Price [Member]  
Warrants and Rights Outstanding, Measurement Input 0.0503
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