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Accrued Expenses
 9 Months Ended
Sep. 30, 2017
Accrued Expenses  
Accrued Expenses

 

4. Accrued Expenses

 

Accrued expenses consist of the following:

 

 

 

September 30,

 

December 31,

 

 

 

2017

 

2016

 

 

 

 

 

 

 

Clinical trials

 

$
2,593

 

$
2,545

 

Professional fees

 
120

 
88

 

Payroll and related expenses

 
683

 
25

 

 

 

 

 

 

 

Accrued expenses

 

$
3,396

 

$
2,658