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Prepaid and Other Current Assets
 12 Months Ended
Dec. 31, 2018
Prepaid Expense and Other Assets, Current [Abstract]  
Prepaid and Other Current Assets Prepaid and other current assets
Other current assets were comprised of the following:
 
December 31,
 
2018
 
2017
Prepaid expenses
$
108,315

 
$
104,727

Other
3,525

 
7,331

 
$
111,840

 
$
112,058