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Accrued Expenses (Tables)
 6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Payables And Accruals [Abstract]    
Schedule of current accrued expenses

Accrued expenses consist of the following:

 

(in thousands)    June 30,
2019		      December 31,
2018		  

Compensation, excluding taxes

    $ 3,469      $ 1,785  

Clinical trial expenses

      4,289        4,530  

Interest payable

      731        402  

Other1

      630        1,247  
  

 

 

     

 

 

  

Total accrued expenses

    $ 9,119      $ 7,964  
  

 

 

     

 

 

  

 

  1 

Other consists of various accrued expenses, with no individual item accounting for more than 5% of current liabilities at June 30, 2019 and December 31, 2018.

Current accrued expenses include the following:

 

(in thousands)    December 31,
2018		      December 31,
2017		  

Clinical trial expenses

    $ 4,530      $ 869  

Compensation, excluding taxes

      1,785        1,124  

Professional fees

      190        221  

Short-term portion of lease restructuring

      184        209  

Other1

      1,275        985  
  

 

 

     

 

 

  

Total accrued expenses

    $ 7,964      $ 3,408  
  

 

 

     

 

 

  

 

  1 

Other consists of various accrued expenses, with no individual item accounting for more than 5% of current liabilities at December 31, 2018 and 2017.