Fair Value (Tables)

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of fair value, liabilities measured on recurring basis

Description:	Level		September 30, 2023		December 31, 2022
Convertible Notes		3	$	1,446	$	10,911
Warrant liability		3		4,455		374
Convertible Notes and warrant liability, at fair value			$	5,901	$	11,285

Schedule of fair value option

	September 30, 2023		December 31, 2022
Convertible Notes fair value	$	1,446	$	10,911
Convertible Notes, contractual principal outstanding		1,303		10,000
Fair value less unpaid principal balance	$	143	$	911

Schedule of fair value of the convertible notes

	September 30, 2023						December 31, 2022
	First Tranche			Second Tranche			First Tranche
Risk-free interest rate		5.42	%		5.35	%		4.46	%
Time to expiration (in years)		1.09			1.26			1.84
Expected volatility		95	%		95	%		85	%
Dividend yield		—			—			—
Stock price	$	0.20		$	0.20		$	3.25
Original face value	$	10,000,000		$	10,000,000		$	10,000,000
Fixed conversion rate	$	0.64		$	0.75		$	15.00
Roll-forward discount rate		6.03	%		20.85	%		5.11	%

Schedule of fair value measurements

	September 30, 2023															December 31, 2022
	First Tranche			Purchase Agreement Amendment			Second Tranche			Series B Warrants			August 2023			First Tranche
Risk-free interest rate		4.60	%		4.60	%		4.60	%		4.66	%		4.60	%		4.46	%
Time to expiration (in years)		4.09			4.26			4.26			4.40			2.86			1.84
Expected volatility		100	%		100	%		100	%		125	%		100	%		85	%
Dividend yield		—			—			—			—			—			—
Stock price	$	0.20		$	0.20		$	0.20		$	0.20		$	0.20		$	3.25
Exercise price	$	0.59		$	0.58		$	0.69		$	1.56		$	0.30		$	15.00