Prepaid and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2020

Prepaid Expense And Other Assets Current [Abstract]

Schedule of Prepaid And Other Current Assets

Prepaid and other current assets consisted of the following as of December 31, 2019 and 2020 (in thousands):

	December 31, 2019		December 31, 2020
Prepaid inventory	$	2,195	$	4,361
Restricted cash		307		3,250
Prepaid insurance		1,967		1,504
Other		926		1,996
Prepaid and other current assets	$	5,395	$	11,111