Fair value of financial instruments (Tables)

6 Months Ended

Jun. 30, 2017

Fair value of financial instruments

Schedule of financial instruments measured at fair value on a recurring basis

The following table presents information about the Company’s financial instruments that are measured at fair value on a recurring basis (in thousands):

	June 30, 2017
Description	Total		Level 1		Level 2		Level 3
Financial assets
Cash equivalents	$	25,627	$	25,627	$	—	$	—
Short-term investments		30,335		—		30,335		—
Total financial assets	$	55,962	$	25,627	$	30,335	$	—

	December 31, 2016
Description	Total		Level 1		Level 2		Level 3
Financial assets
Cash equivalents	$	30,540	$	20,540	$	10,000	$	—
Short-term investments		48,548		—		48,548		—
Total financial assets	$	79,088	$	20,540	$	58,548	$	—