4. Accrued expenses
Accrued expenses consisted of the following:
(in thousands)
March 31, 2021
December 31, 2020
Deferred research obligations
$
667
—
Compensation and related benefits
255
845
Professional fees, contractors and other
247
527
1,169
1,372
The entire disclosure for accrued liabilities at the end of the reporting period.
No definition available.