Accrued Expenses

12 Months Ended

Dec. 31, 2021

Payables And Accruals [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consist of the following:

	December 31,
	2021		2020
Accrued R&D projects	$	2,303	$	1,754
Accrued compensation and benefits		1,250		954
Accrued consulting and professional fees		176		560
Accrued other		79		158
Total accrued expenses	$	3,808	$	3,426