Other Financial Statement Information

3 Months Ended

Mar. 31, 2022

Other Financial Statement Information [Abstract]

Other Financial Statement Information

3. OTHER FINANCIAL STATEMENT INFORMATION

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	March 31, 2022		December 31, 2021
Prepaid contract costs	$	5,117	$	320
Prepaid insurance		452		1,193
Prepaid recruiting fees		258		253
Prepaid rent		219		219
Prepaid follow-on financing costs		—		275
Prepaid audit fees		—		123
Other		759		480
Total prepaid expenses and other current assets	$	6,805	$	2,863

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following:

	March 31, 2022		December 31, 2021
Accrued research and development contract costs	$	5,200	$	364
Accrued development milestone		2,000		2,000
Related party payable		1,640		1,022
Accrued payroll		460		1,458
Accrued legal fees		253		457
Accrued expenses and other		598		627
Total accrued expenses and other current liabilities	$	10,151	$	5,928

Related party payable represents amounts due to Ares Trading S.A. (“Ares”), an affiliate of Merck KGaA, Darmstadt, Germany, related to manufacturing technology and know-how transfer services performed for atacicept pursuant to the license agreement between the Company and Ares (see Note 12).