Quarterly report pursuant to Section 13 or 15(d)

Accrued expenses and other current liabilities (Details)

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Accrued expenses and other current liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Accrued expenses and other current liabilities    
Clinical & Development Accruals $ 5,698 $ 4,938
Accrued employee expenses 4,150 4,539
Accrued capital expenditure 908 3,954
VAT   2,014
Accrued expenses 2,188 1,003
Other 428 1,080
Total $ 13,372 $ 17,528