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Note 4 - Accrued Expenses
12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
4.
     
Accrued Expenses
 
Accrued expenses as shown on the accompanying Consolidated Balance Sheets is composed of the following as of
December 31, 2019
and
2018:
 
   
2019
   
2018
 
Accrued management salaries
  $
1,323,483
    $
924,509
 
Accrued directors’ fees
   
409,219
     
295,670
 
Other accrued expenses
   
118,338
     
18,373
 
Total accrued expenses
  $
1,851,040
    $
1,238,552