Accrued Expenses

3 Months Ended

Mar. 31, 2015

Accrued Expenses

Accrued Expenses

4.Accrued Expenses

Accrued expenses consist of the following:

	As of March 31,		As of December 31,
	2015		2014
	(in thousands)
Accrued clinical trial expenses	$	3,084	$	2,113
Accrued technical operation expenses	835		762
Accrued construction costs	459		1,500
Accrued professional fees	898		542
Accrued interest payable	199		258
Other accrued expenses	501		146
	$	5,976	$	5,321