Accrued Expenses

6 Months Ended

Jun. 30, 2021

Accrued Expenses

Accrued Expenses

4. Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	June 30,		December 31,
	2021		2020
Payroll and related costs	$	3,531	$	4,097
Clinical trials and drug development		6,785		2,452
Professional fees		1,862		927
Short-term lease liabilities		529		510
Other		676		532
Total accrued expenses	$	13,383	$	8,518