Other current assets and other long-term assets

9 Months Ended

Sep. 30, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other current assets and other long-term assets

Other current assets and other long-term assets

Other current assets consisted of the following (in thousands):

	September 30,		December 31,
	2019		2018
Prepaid expenses	$	6,230	$	1,261
Deposits and other receivables	2,247		1,841
Interest receivable	1,618		768
Right-of-use asset	341		—
	$	10,436	$	3,870

The other long-term assets balance as of September 30, 2019 consisted of $5.2 million in deposits paid in conjunction with the Company's research and development activities, and $0.3 million for a security deposit in connection with the lease of the Company's future corporate headquarters. As of December 31, 2018, the other long-term assets balance consisted of $1.3 million in deposits paid in conjunction with the Company's research and development activities.