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

Note 10 - 2021 Registered Direct Offerings (Details Textual)

v3.23.3
Note 10 - 2021 Registered Direct Offerings (Details Textual) - USD ($)
 3 Months Ended 6 Months Ended
Feb. 22, 2021
Feb. 17, 2021
Feb. 11, 2021
Mar. 31, 2023
Jun. 30, 2023
Sep. 30, 2022
Stock Issued During Period, Shares, New Issues   215,625     215,625  
Warrants and Rights Outstanding, Term         5 years  
Series K Warrant [Member]            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     161,719   161,719 161,719
Warrants and Rights Outstanding, Term     5 years 6 months      
Placement Agent 2 Warrants [Member]            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     16,172   16,172 16,172
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 40.00      
Warrants and Rights, Percent of Stock Oustanding Callable     7.50%      
Series K and Placement Agent 2 Warrants [Member]            
Class of Warrant or Right, Exercised       0    
The 2021 Registered Direct Offering [Member]            
Stock Issued During Period, Shares, New Issues 215,625   215,625      
Shares Issued, Price Per Share     $ 32.00      
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 34.00      
Proceeds from Issuance or Sale of Equity     $ 6,900,000      
Payments of Stock Issuance Costs     700,000      
The 2021 Registered Direct Offering [Member] | Non-accountable Expense Fee [Member]            
Securities Purchase Agreement, Potential Fees     10,000      
The 2021 Registered Direct Offering [Member] | Fees and Expenses of Legal Counsel and Other Out-of-pocket Expenses [Member]            
Securities Purchase Agreement, Potential Fees     50,000      
The 2021 Registered Direct Offering [Member] | Clearing Expenses [Member]            
Securities Purchase Agreement, Potential Fees     $ 10,000      
The 2021 Registered Direct Offering [Member] | Participating Investors [Member]            
Securities Purchase Agreement, Cash Placement Fee     7.50%      
The 2021 Registered Direct Offering [Member] | Certain Investors With Pre-existing Relationships [Member]            
Securities Purchase Agreement, Cash Placement Fee     6.00%