5. Prepaid Expenses and Other Current Assets

3 Months Ended

Mar. 31, 2022

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

5. Prepaid Expenses and Other Current Assets

5. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets are comprised of the following (in thousands):

		March 31,		December 31,
		2022		2021
Prepaid insurance	$	787	$	59
Prepaid clinical costs		7,694		4,481
Other		414		187
Prepaid expenses and other current assets	$	8,895	$	4,727