ACCRUED LIABILITIES

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

ACCRUED LIABILITIES

ACCRUED LIABILITIES

Accrued liabilities consisted of the following:

	December 31,
	2021		2020
	(in thousands)
Accrued outsourced clinical trials and preclinical studies	$	6,316	$	5,400
Accrued employee compensation and related taxes	3,652		1,963
Operating lease liability, short-term	520		455
Accrued legal fees and expenses	80		380
Accrued other professional service fees	140		796
Value of liability-classified stock purchase warrants	100		100
License agreement liability	—		86
Other accrued liabilities	210		523
Total accrued liabilities	$	11,018	$	9,703