Notes Payable (Tables)

12 Months Ended

Dec. 31, 2021

Balance sheet information related to the note payable for the Notes is as follows (in thousands):


	As of December 31,
	2021		2020		Maturity

Initial Note	20,600		—		January 2025
Second Note	10,300		—		February 2025
Third Note	5,150		—		April 2025
Notes payable, gross1	36,050		—
Less: Unamortized debt discount and issuance costs	3,217		—
Carrying value of notes payable, non-current	$	32,833	$	—

1 Balance includes $1.1 million final payment fee for the Notes, which represents 3% of the principal loan amount.

As of December 31, 2021, the estimated future principal payments due on the Notes were as follows (in thousands):

1 Total principal payment balance includes $1.1 million final payment fee for the Notes, which represents 3% of the principal loan amount