Annual report pursuant to Section 13 and 15(d)

Accrued Expenses

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Accrued Expenses
12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
Accrued Expenses
Accrued Expenses
Accrued expenses and other current liabilities consisted of the following (in thousands):
 
Years Ended December 31,
 
2017
 
2016
Compensation expense
$
2,325

 
$
1,198

Professional fees
1,322

 
624

Research and development fees
791

 
1,284

Audit and tax fees
424

 
455

Other current liabilities
1,308

 
158

Total
$
6,170

 
$
3,719