Stock-Based Compensation

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

4. Stock-based Compensation

The Company's stock-based compensation expense is associated with stock options, RSUs and its employee stock purchase plan (“ESPP”) awarded under its equity incentive plans.

Stock-based compensation expense was allocated as follows:


	Three Months Ended March 31,
	2024		2023
Cost of revenues	$	39	$	124
Sales and marketing		64		165
Research and development		127		270
General and administrative		183		473
Total	$	413	$	1,032

For stock-based awards granted by the Company, stock-based compensation cost is measured at grant date based on the fair value of the award and is expensed over the requisite service period. No stock-based compensation was capitalized as internally developed software during the three months ended March 31, 2024, while $37 of stock-based compensation was capitalized as internally developed software during the three months ended March 31, 2023.

Stock Options

A summary of the Company's stock option activity is as follows:


	Options Outstanding
	Number of Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (in Years)		Aggregate Intrinsic Value
Balances at December 31, 2023		54		$	100.69		3.63	$	—
Options forfeited and cancelled		(1	)		420.96		—		—
Balances at March 31, 2024		53			98.82		3.41		—
Options exercisable		53		$	98.82		3.41		—
Options vested		53		$	98.82		3.41		—
Options vested and expected to vest		53		$	98.82		3.41		—

There were no grants or exercises of stock options during the three months ended March 31, 2024.

Compensation expense, net of forfeitures, is recognized ratably over the requisite service period. As of March 31, 2024, there was no unrecognized compensation expense related to stock options.

RSUs

A summary of the Company's RSU activity is as follows:


	RSUs Outstanding
	Number of Shares			Weighted Average Grant Date Fair Value Per Unit
Granted and unvested at December 31, 2023		288		$	8.88
RSUs vested		(50	)		7.50
RSUs cancelled and withheld to cover taxes		(35	)		7.57
Granted and unvested at March 31, 2024		203		$	9.48

As of March 31, 2024, there was $1,002 of unrecognized compensation expense related to RSUs, which is expected to be recognized over a weighted-average period of 1.0 years. The Company uses the fair market value of the underlying common stock on the dates of grant to determine the fair value of RSUs.

Employee Stock Purchase Plan

There was no activity during the three months ended March 31, 2024 under the Company's ESPP and there was no unrecognized compensation expense related to the Company's ESPP as of March 31, 2024.