EQUITY INCENTIVE PLAN (Tables)

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Activity

The following table summarizes the changes in the Company’s outstanding stock options for the three and six months ended June 30, 2022:

	Number of Options
Outstanding at January 1, 2022		7,522,136
Granted		4,231,693
Exercised		—
Forfeited		(271,368	)
Outstanding at March 31, 2022		11,482,461
Granted		699,170
Exercised		(16,375	)
Forfeited		(383,090	)
Outstanding at June 30, 2022		11,782,166

Summary of Restricted Stock Unit Activity

The following table summarizes the changes in the Company’s outstanding restricted stock units for the three and six months ended June 30, 2022:

	Number of RSUs
Outstanding at January 1, 2022		117,516
Granted		1,660,535
Vested		—
Forfeited		—
Outstanding at March 31, 2022		1,778,051
Granted		742,900
Vested		(19,220	)
Forfeited		(115,084	)
Outstanding at June 30, 2022		2,386,647

Summary of Stock-Based Compensation Expenses by Function

The following table presents details of stock-based compensation expenses by functional line item noted within the Company's operating expenses:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Cost of sales	$	35	$	—	$	51	$	—
Research and development		731		413		1,512		622
Sales and marketing		116		31		212		37
General and administrative		6,220		1,045		9,438		1,097
	$	7,102	$	1,489	$	11,213	$	1,756