Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Equity (Details Textual)

v3.22.2.2
Note 11 - Equity (Details Textual) - USD ($)
 3 Months Ended 6 Months Ended
Apr. 10, 2022
Apr. 07, 2022
Mar. 31, 2022
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Jan. 31, 2022
Dec. 31, 2021
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance         $ 292,517     $ 731,299
Additional Paid in Capital, Total         $ 372,019,758     370,459,705
Operating Loss Carryforwards               164,000,000
Share Purchase Right, Ownership Percentage Threshold   4.99%            
Share Purchase Right, Ownership Percentage Trigger   0.50%            
Share Purchase Right, Discount Percentage   50.00%            
Stock Issued During Period, Shares, Employee Benefit Plan (in shares)         53,238 30,018    
Stock Issued During Period, Value, Employee Benefit Plan     $ 44,720 $ 76,846 $ 44,720 $ 76,846    
Issuance of Stock to Defined Contribution Plan for Employer Matching Contribution         $ 44,720 $ 76,846    
Common Stock [Member]                
Stock Issued During Period, Shares, Employee Benefit Plan (in shares)     53,238 30,018        
Stock Issued During Period, Value, Employee Benefit Plan     $ 53 $ 30        
Stock Issued During Period, Shares, Issued for Employee Bonuses (in shares)     16,632          
Employees [Member] | Common Stock [Member]                
Stock Issued During Period, Shares, Issued for Employee Bonuses (in shares)         16,632      
Issuance of Stock to Defined Contribution Plan for Employer Matching Contribution         $ 16,965      
Series E Preferred Stock Exchanged for Sereis F and G Preferred Stock [Member]                
Conversion of Stock, Shares Converted (in shares) 50,000              
Series E Preferred Stock Exchanged for Sereis F Preferred Stock [Member]                
Conversion of Stock, Shares Issued (in shares) 1,740              
Series E Preferred Stock Exchanged for Sereis G Preferred Stock [Member]                
Conversion of Stock, Shares Issued (in shares) 3,260              
Bridge Loan [Member]                
Debt Instrument, Face Amount $ 2,500,000              
Proceeds from Issuance of Long-Term Debt, Total $ 1,500,000              
Debt Instrument, Interest Rate, Stated Percentage 8.00%              
Debt Instrument, Term (Year) 2 years              
MT [Member]                
Ownership Percentage             60.00%  
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance               $ 731,299
MT Preferred Stock [Member]                
Preferred Stock, Stock Returned (in shares)             6  
Additional Paid in Capital, Total             $ 438,778  
Series H Preferred Stock [Member]                
Share Purchase Right, Shares Issuable Per Each Right (in shares)   1,000