Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and contingencies

Summary of future minimum lease payments

The following table summarizes the Company's future minimum lease payments as of December 31, 2014:

	Total		Less than 1 Year		1 - 3 Years		3 - 5 Years		More than 5 Years
	(in thousands)
Operating lease	$	552	$	133	$	251	$	168	$	—
Total	$	552	$	133	$	251	$	168	$	—