8. Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2022

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses are comprised of the following (in thousands):

		September 30,		December 31,
		2022		2021
Professional fees	$	239	$	181
Personnel related		955		1,303
Outside research and development services		2,767		2,219
Insurance		84		-
Other		3		25
Accrued expenses, net	$	4,048	$	3,728