Accrued Expenses and Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2014
Accrued Expenses and Other Current Liabilities  
Schedule of accrued expenses

        Accrued expenses consist of the following (in thousands):

                                                                                                                                                                                    

 

 

December 31,

 

 

 

2014

 

2013

 

Research costs—Nordic(1)

 

$

11,536 

 

$

17,998 

 

Research costs—other

 

 

3,336 

 

 

1,599 

 

Payroll and employee benefits

 

 

1,659 

 

 

1,005 

 

Professional fees

 

 

1,304 

 

 

426 

 

Accrued interest on notes payable

 

 

234 

 

 

852 

 

Other

 

 

198 

 

 

127 

 

​  

​  

​  

​  

Total accrued expenses and other current liabilties

 

$

18,267 

 

$

22,007 

 

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(1)

Includes amounts accrued ratably over the estimated per patient treatment period under the Nordic Work Statement NB-1, Work Statement NB-2 and Work Statement NB-3. Amounts do not include pass-through costs which are expensed as incurred or upon delivery. See note 10 for additional information.