Accrued Expenses and Other Current Liabilities (Tables)
 12 Months Ended
Dec. 31, 2018
Accrued Expenses and Other Current Liabilities  
Schedule of accrued expenses and other current liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

December 31, 

 

    

2018

    

2017

Accrued employee compensation and benefits

 

$

3,377

 

$

1,339

Accrued external research and development expenses

 

 

2,252

 

 

1,230

Accrued lease liability, current portion

 

 

4,502

 

 

 —

Other

 

 

1,987

 

 

417

 

 

$

12,118

 

$

2,986