Accrued Expenses

3 Months Ended

Mar. 31, 2022

Accrued Expenses

Accrued Expenses

4. Accrued Expenses

Accrued expenses consist of the following:

	March 31,		December 31,
	2022		2021
Clinical trials	$	1,915	$	2,499
Professional fees		110		181
Payroll and related expenses		669		2,686
Accrued expenses	$	2,694	$	5,366