Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Supplemental Disclosure for Statements of Cash Flows (Details Textual)

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Note 16 - Supplemental Disclosure for Statements of Cash Flows (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 7 Months Ended 12 Months Ended
Feb. 29, 2020
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Dec. 31, 2020
Interest Paid, Excluding Capitalized Interest, Operating Activities   $ 3,000 $ 3,000    
Proceeds from Issuance of Preferred Stock and Preference Stock   $ 8,175,000    
Stock Issued During Period, Shares, Employee Benefit Plan (in shares)   30,018      
Stock Issued During Period, Value, Employee Benefit Plan   $ 76,846      
Issuance of Stock to Defined Contribution Plan for Employer Matching Contribution   $ 76,846    
Common Stock [Member]          
Stock Issued During Period, Shares, Employee Benefit Plan (in shares)   30,018      
Stock Issued During Period, Value, Employee Benefit Plan   $ 30      
Stock Issued During Period, Shares, Issued for Employee Bonuses (in shares)     53,315    
Employees [Member] | Common Stock [Member]          
Stock Issued During Period, Shares, Issued for Employee Bonuses (in shares)     53,315    
Issuance of Stock to Defined Contribution Plan for Employer Matching Contribution     $ 65,000    
Office Lease [Member]          
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability $ 100,432        
Series D Preferred Stock [Member] | Keystone Capital Partners, LLC [Member]          
Proceeds from Issuance of Preferred Stock and Preference Stock   $ 3,200,000   $ 5,000,000 $ 2,925,000