8. SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2023

Disclosure Of Compensation Related Costs Sharebased Payments Abstract

Schedule of Activity And Positions With Respect To RSUs And PSUs

The following table summarizes activity and positions with respect to RSUs and PSUs for the six months ended June 30, 2023:

	Shares			Weighted-average price
Unvested as of December 31, 2022		8,866,000		$	3.85
Granted		2,000,000		$	4.08
Vested		(939,000	)	$	9.18
Forfeited		(301,000	)	$	9.69
Unvested as of June 30, 2023		9,626,000		$	3.20

Schedule of Valuation Assumptions for Weighted-Average Grant

The following table summarizes shares, weighted-average exercise price, weighted-average remaining contractual term and aggregate intrinsic value of options outstanding and options exercisable as of June 30, 2023:

Options	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of June 30, 2023		752,000	$	1.35		5.1	$	2,504,000
Exercisable as of June 30, 2023		752,000	$	1.35		5.1	$	2,504,000

Share-based Compensation Expense by Line Item

The following table summarizes the amount of share-based compensation expense by line item on the statements of operations:

Share-based compensation expense	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2023		2022		2023		2022
Research and development expense	$	1,486	$	2,018	$	2,244	$	3,851
Sales, marketing, general and administrative expense		2,380		2,102		4,571		4,003
	$	3,866	$	4,120	$	6,815	$	7,854