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

Note 9 - 2021 Registered Direct Offering (Details Textual)

v3.22.4
Note 9 - 2021 Registered Direct Offering (Details Textual) - USD ($)
Feb. 17, 2021
Feb. 11, 2021
Sep. 30, 2022
Stock Issued During Period, Shares, New Issues 215,625    
Series K Warrant [Member]      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   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
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 40.00  
Warrants and Rights, Percent of Stock Oustanding Callable   7.50%  
The 2021 Registered Direct Offering [Member]      
Stock Issued During Period, Shares, New Issues   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, Total   $ 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%