Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Measurement

Summary of category of assets or liabilities carried at fair value


		Total			Level 1			Level 2			Level 3
December 31, 2022
Assets
Cash equivalents:
Money market funds		$	3,025		$	3,025		$	—		$	—
Liabilities
Warrant liability – Series m-3 Preferred Stock		$	1,282		$	—		$	—		$	1,282
Warrant liability – Series s Preferred Stock		$	8,729		$	—		$	—		$	8,729
Derivative liability – Class A Common Stock warrants		$	1,146		$	—		$	—		$	1,146
2022 Convertible Notes		$	8,152		$	—		$	—		$	8,152


		Total			Level 1			Level 2			Level 3
December 31, 2021
Assets
Cash equivalents:
Money market funds		$	6,623		$	6,623		$	—		$	—
Liabilities
Warrant liability – Series B Preferred Stock		$	370		$	—		$	—		$	370
Warrant liability – Series m-3 Preferred Stock		$	7,156		$	—		$	—		$	7,156
Warrant liability – Series s Preferred Stock		$	23,040		$	—		$	—		$	23,040

Summary of changes in the fair value of Company's Level 3 warrant and derivative liability


		Warrant and Derivative Liability
Balance as of January 1, 2021		$	5,617
Initial fair value of Series s Preferred Stock warrants			10,564
Expired warrants			(14)
Exercise of warrants			(1,319)
Revaluation of Series B, m-1, m-3 and s Preferred Stock warrants			15,718
Balance as of December 31, 2021			30,566
Initial fair value of Class A Common Stock warrants			1,818
Exercise of warrants			(370)
Revaluation of Class A Common Stock, Series B, m-3 and s Preferred Stock warrants			(20,857)
Balance as of December 31, 2022		$	11,157

Convertible Note Financing

Fair Value Measurement

Summary of changes in the fair value of Company's Level 3 warrant and derivative liability


Issunace		$	3,182
Accretion of interest			320
Change in fair value			4,650
Balance as of December 31, 2022		$	8,152