LICENSE AGREEMENTS AND COMMITMENTS (Tables)

9 Months Ended

Sep. 30, 2022

Agreements

Maturities of operating lease liabilities

Maturities of operating lease liabilities as of September 30, 2022 were as follows (in thousands):

	Operating Leases
	at September 30, 2022
Remainder of 2022	$	554
Years ending December 31,
2023		958
2024		482
2025		383
Total lease payments		2,377
Less: Imputed interest		(158)
Total operating lease liabilities as of September 30, 2022	$	2,219

Maturities of operating leases as of December 31, 2021 were as follows (in thousands):

	Operating Leases
Years ending December 31,	at December 31, 2021
2022	$	1,953
2023		1,025
2024		550
2025		445
Total lease payments		3,973
Less: Imputed interest		(339)
Total operating lease liabilities as of December 31, 2021	$	3,634

MSK, CD33, MabVax and SADA License Agreements

Agreements

Summary of significant license agreements, related commitments and milestone information

The Company has the following significant license agreements and related commitments which include all obligations that have been paid or accrued as of and for the three and nine months ended September 30, 2022 and 2021, and as of December 31, 2021 (in thousands):

													Accrued		Accrued		Accrued		Accrued
	Cash paid		Cash paid		Expense		Expense		Expense		Expense		liabilities		liabilities		liabilities		liabilities
	Nine months		Nine months		Three months		Nine months		Three months		Nine months		Current		Non-current		Current		Non-current
	ended		ended		ended		ended		ended		ended		as of		as of		as of		as of
	September		September		September		September		September		September		September		September		December		December
Agreements	2022		2021		2022		2022		2021		2021		2022		2022		2021		2021
MSK		$ 2,871		$ 1,480		$ 753		$ 2,513		$ 321		$ 531		$ 828		$ 1,950		$ 1,486		$ 1,650
CD33		—		100		—		—		—		—		150		300		—		450
MabVax		—		10		10		10		—		10		10		—		—		—
SADA		1,000		1,000		—		—		—		—		605		—		1,605		—

The below table represents the maximum clinical, regulatory or sales-based milestones as reflected within the agreements, certain of which have been paid in prior periods or are accrued as presented in the table above (in thousands):

	Maximum		Maximum		Maximum
Agreements	Clinical Milestones		Regulatory Milestones		Sales-based Milestones
MSK		$ 2,450		$ 9,000		$ 20,000
CD33		550		500		7,500
MabVax		200		1,200		—
SADA		4,730		18,125		23,750