Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2023

Stock-based Compensation [Abstract]

Schedule of Unvested Restricted Stock Activity

Restricted Stock – A summary of unvested restricted stock activity is as follows (shares in thousands):

	Number of Shares			Weighted- Average Grant Date Fair Value Per Share
Unvested at December 31, 2021		1,387		$	3.30
Issued		872		$	6.21
Vested		(1,051	)	$	2.66
Canceled		(39	)	$	6.23
Unvested at December 31, 2022		1,169		$	5.95
Issued		2,375		$	1.87
Vested		(547	)	$	5.61
Canceled		(56	)	$	3.14
Unvested at December 31, 2023		2,941		$	2.77

Schedule of Common Stock at Vesting Aggregated

The fair value of the common stock at vesting aggregated $929,000, $6,900,000 and $8,810,000 for the years ended December 31, 2023, 2022 and 2021, respectively. Stock-based compensation expense related to employee and non-employee restricted stock and option grants recognized in the accompanying consolidated statements of operations, was as follows (in thousands):

	Years Ended December 31,
	2023		2022		2021
Employees	$	3,345	$	2,689	$	1,758
Non-employees		551		644		1,125
Total stock-based compensation expense	$	3,896	$	3,333	$	2,883