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Stock Based Compensation (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2024

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense

Stock-based compensation expense included in the condensed consolidated statement of operations was as follows:

		Three Months Ended September 30,								Nine Months Ended September 30,
		2024				2023				2024				2023
Cost of revenue		$	13			$	16			$	24			$	31
Selling, general and administrative			791				5,477				2,109				6,235
Research and development			56				46				84				83
Total stock-based compensation expense		$	860			$	5,539			$	2,217			$	6,349

Stock-based compensation expense included in the consolidated statement of operations and comprehensive loss was as follows:

		Year Ended December 31,
		2023				2022
Cost of revenue		$	32			$	—
Selling, general, and administrative			8,198				400
Research and development			127				37
Total stock-based compensation expense		$	8,357			$	437

Summary of Option Activity Under the Plan

The following table summarizes the option activity under the 2010 Plan, 2020 Plan, and the 2023 Plan during the nine months ended September 30, 2024:

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term				Aggregate Intrinsic Value
						(per option)				(in years)				(in thousands)
Outstanding—January 1, 2024			3,886,038			$	2.67				6.9			$	5,565
Granted			3,686,059				1.86
Cancellations and forfeitures			(447,644	)			2.28
Exercised			(16,137	)			1.37
Outstanding—September 30, 2024			7,108,316				2.28				7.9				—
Exercisable at September 30, 2024			2,872,814			$	2.48				5.9			$	—

The following tables summarizes the option activity under the 2010 Plan, 2020 Plan, and the 2023 Plan during the year ended December 31, 2023:

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term				Aggregate Intrinsic Value
						(per option)				(in years)				(in thousands)
Outstanding—January 1, 2023			4,301,968			$	2.35				7.7			$	9,437
Granted			257,683			$	5.41
Cancellations and forfeitures			(375,051	)		$	2.00
Exercised			(298,562	)		$	1.15
Outstanding—December 31, 2023			3,886,038			$	2.67				6.9			$	5,565
Exercisable at December 31, 2023			2,735,884			$	2.23				6.2			$	4,812

Schedule of Assumptions Used in Black-Scholes Option Pricing Model

The assumptions used in the Black Scholes option-pricing model for the nine months ended September 30, 2024 and 2023 are as follows:

		Nine Months Ended September 30,
		2024				2023
Expected volatility			71	%			86	%
Risk-free interest rate			4.36	%			4.50	%
Expected dividend yield			0	%			0	%
Expected term (in years)			6.1				5.8

The assumptions used in the Black-Scholes option-pricing model are as follows:

		Year Ended December 31,
		2023				2022
Expected volatility			85.8	%			63	%
Risk-free interest rate			4.5	%			3.56	%
Expected dividend yield			—	%			—	%
Expected term (in years)			5.8				5.8

Summary of Restricted Stock Unit Activity Under the Plan

The following table summarizes the restricted stock unit activity under the 2020 Plan and 2023 Plan during the three months ended September 30, 2024:

		Number of RSUs				Weighted Average Grant Date Fair Value
						(per share)
Outstanding—January 1, 2024			643,635			$	4.45
Granted			75,000				2.61
Cancellations and forfeitures			—
Vested			(187,857	)			4.51
Outstanding—September 30, 2024			530,778			$	4.16

The following table summarizes the restricted stock unit activity under the 2020 Plan and 2023 Plan during the year ended December 31, 2023:

		Number of RSUs				Weighted Average Grant Date Fair Value
						(per share)
Outstanding—January 1, 2023			1,415,104			$	4.51
Granted			226,175				4.32
Cancellations and forfeitures			(79,232	)			4.51
Vested			(918,412	)			4.51
Outstanding—December 31, 2023			643,635				4.45

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