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Accrued expenses (Tables)
6 Months Ended
Jun. 30, 2019
Accrued Expenses  
Schedule of Accrued Expenses

The Company’s accrued expenses consisted of the following:

 

   June 30, 2019  December 31, 2018
Accrued officer salaries (see below)  $4,504,900   $4,473,415 
Accrued interest   173,416    164,313 
Other   913,909    459,053 
   $5,592,225   $5,096,781