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Accrued Expenses and Other Current Liabilities
6 Months Ended
Jun. 30, 2019
Payables And Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities

5. Accrued Expenses and Other Current Liabilities

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

 

 

 

June 30, 2019

 

 

December 31, 2018

 

Salary and related expenses

 

$

7,223

 

 

$

8,110

 

Current portion of milestone rights liability

 

 

1,643

 

 

 

1,643

 

Professional fees

 

 

711

 

 

 

741

 

Discounts and allowances for commercial product sales

 

 

2,819

 

 

 

2,656

 

Sales and marketing services

 

 

321

 

 

 

88

 

Accrued interest

 

 

733

 

 

 

492

 

Deferred lease liability

 

 

1,432

 

 

 

257

 

Other

 

 

1,570

 

 

 

1,035

 

Total accrued expenses and other current liabilities

 

$

16,452

 

 

$

15,022