Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Supplemental Disclosure for Statements of Cash Flows (Details Textual)

v3.20.2
Note 15 - Supplemental Disclosure for Statements of Cash Flows (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 21 Months Ended
May 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Jun. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Interest Paid, Excluding Capitalized Interest, Operating Activities         $ 5,000 $ 6,000  
Stock Issued During Period, Shares, Employee Benefit Plan (in shares)         94,159    
Stock Issued During Period, Value, Employee Benefit Plan     $ 39,834 $ 19,588 $ 172,000    
Stock Issued During Period, Shares, Issued for Employee Bonuses (in shares)         32,651 8,128 8,128
Issuance of Stock to Defined Contribution Plan for Employer Matching Contribution         $ 39,834 $ 19,588 $ 20,000
Conversion from Series C Preferred Stock To Common Stock [Member]              
Conversion of Stock, Shares Converted (in shares)         420,000    
Conversion of Stock, Shares Issued (in shares)         1,425,076    
Conversion from Series D Preferred Stock To Common Stock [Member]              
Conversion of Stock, Shares Converted (in shares)   1,500     1,500    
Conversion of Stock, Shares Issued (in shares)   56,497     56,497    
Series C Preferred Stock [Member]              
Preferred Stock, Deemed Dividend         $ 467,000    
Conversion of Stock, Shares Converted (in shares)         420,000    
Series D Preferred Stock [Member]              
Preferred Stock, Deemed Dividend         $ 17,000    
Series OO Warrants [Member]              
Class of Warrant or Right, Exercised During Period (in shares) 411,000       411,000    
Issued Stock Upon Exercise of Warrants, Shares (in shares) 300,595       300,595