Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Accrued Expenses

Schedule of accrued expenses

        Accrued expenses consist of the following (in thousands):

	December 31, 2014		December 31, 2013
Compensation and related benefits	$	2,753	$	719
Development, site costs, and contract manufacturing		2,567		258
Legal, audit and tax services		829		605
Consulting		793		174
Other expenses		712		178
Technology access fee payable to Intrexon (present value)		—		2,186
	$	7,654	$	4,120