Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2021

Payables And Accruals [Abstract]

Components of Accrued Expenses

Accrued expenses consist of the following:

	December 31,
	2021		2020
	(000's)
Compensation and benefits	$	1,601	$	976
Project expenses		704		212
Accrued milestone		6,000		—
Other		470		383
Total accrued expenses	$	8,775	$	1,571