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Accrued Expenses
12 Months Ended
Dec. 31, 2018
Payables and Accruals [Abstract]  
Accrued Expenses
Accrued Expenses
Accrued expenses consisted of the following (in thousands):
 
Year Ended December 31,
 
2018
 
2017
Payroll and related benefits
$
2,577

 
$
109

Professional services and related expenses
931

 
868

Other
210

 

 
$
3,718

 
$
977