Prepaid Expenses

9 Months Ended

Sep. 30, 2021

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Prepaid Expenses

6.     Prepaid Expenses

Prepaid expenses consisted of the following:

	September 30, 2021		December 31, 2020
Prepaid clinical expenses	$	3,459	$	5,151
Prepaid software related expenses		4,294		479
Prepaid insurance expense		443		206
Other		937		740
	$	9,133	$	6,576