Notes Payable (Tables)

12 Months Ended

Dec. 31, 2022

Debt Instrument [Line Items]

Summary of convertible notes payable

The Company’s convertible notes payable balance was as follows (in thousands):

	December 31, 2022		December 31, 2021
iHeart Convertible Note	$	99	$	474
2021 Convertible Promissory Notes measured at fair value		—		34,803
Mudrick Convertible Notes measured at fair value		56,743		—
Total Convertible Notes Payable	$	56,842	$	35,277

Summary of Company's notes payable

The Company’s notes payable balances were as follows (in thousands):

	December 31, 2022			December 31, 2021
Deutsche Bank Loan	$	—		$	75,000
PGE Loan		4,409			4,923
Total Notes Payable		4,409			79,923
Less: unamortized debt issuance costs		—			(521	)
Less: unamortized debt discount		—			(581	)
Less: short-term portion of PGE Loan		(1,211	)		(464	)
Total Notes Payable, less current portion	$	3,198		$	78,357

Summary of notes payable future principal payments

The notes payable future principal payments as of December 31, 2022 are as follows (in thousands):

Year ended December 31,
2023	$	1,211
2024		1,137
2025		1,143
2026		918
Thereafter		—
Total	$	4,409