Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Measurement

Schedule of the financial instruments measured at fair value and classified by level according to the fair value measurement hierarchy

(in thousands)	Level 1		Level 2		Level 3		Total
December 31, 2018
Assets:
Short-term investments:
Available-for-sale securities	$	—	$	50	$	—	$	50
Term deposits		175		—		—		175
Total Assets	$	175	$	50	$	—	$	225

(in thousands)	Level 1		Level 2		Level 3		Total
June 30, 2019
Assets:
Short-term investments:
Available-for-sale securities	$	—	$	15,078	$	—	$	15,078
Term deposits		175		—		—		175
Total Assets	$	175	$	15,078	$	—	$	15,253