Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Debentures and Notes Payable - Schedule of Debt (Details) (Parentheticals)

v3.19.3
Note 4 - Debentures and Notes Payable - Schedule of Debt (Details) (Parentheticals)
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Nov. 03, 2006
Six Point Zero Five Percent Insurance Premium Finance Agreement, Due July 2019 [Member]        
Interest rate 6.05% 6.05% 6.05%  
Six Point Three Percent Insurance Premium Finance Agreement [Member]        
Interest rate 6.30%    
Four Point Seven Five Percent Convertible Debenture [Member]        
Interest rate 4.75% 4.75%   4.75%
Fourteen Percent Term Loan One [Member]        
Interest rate 14.00% 14.00%    
Fourteen Percent Term Loan Two [Member]        
Interest rate 14.00% 14.00%    
Fourteen percent Term Loan Three [Member]        
Interest rate 14.00% 14.00%    
Seven Percent Convertible Promissory Note One [Member]        
Interest rate 7.00% 7.00%    
Seven Percent Convertible Promissory Note Two [Member]        
Interest rate 7.00% 7.00%