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Note 6 - Accrued Expenses
9 Months Ended
Sep. 30, 2019
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
6.
Accrued Expenses
 
Accrued expenses as shown on the accompanying Condensed Consolidated Balance Sheets is composed of the following as of
September 30, 2019
and
December 31, 2018:
 
   
September 30,
2019
   
December 31,
2018
 
Accrued management salaries
  $
1,228,169
    $
924,509
 
Accrued directors’ fees
   
378,569
     
295,670
 
Other accrued expenses
   
125,700
     
18,373
 
Total accrued expenses
  $
1,732,438
    $
1,238,552