Share-Based Payments (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Costs

Stock-based compensation costs included in the condensed consolidated statements of operations are presented below:

	Three Months Ended   March 31,
	2023		2022
Cost of products	$	7	$	8
Cost of services	6		25
Research and development	509		545
Selling, general and administrative	2,609		2,946
Discontinued operations	—		38
Total	$	3,131	$	3,562

Schedule of Stock Option Activity

Stock option activity was as follows:

	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2022	15,201,276	$	10.41	6.87
Granted	1,834,069	1.11
Exercised	—	—
Forfeited	(69,375)	5.29
Expired	(20,761)	19.15
Balances at March 31, 2023	16,945,209	9.41		6.90
Exercisable at March 31, 2023	11,559,913	11.40		6.29

Schedule of Restricted Stock Unit Activity

RSU activity was as follows:

	Number of Restricted Stock Units	Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2022	697,815	$	2.66	0.13
Granted	4,083,777	1.01
Vested	(2,904,284)	1.70
Forfeited	—	—
Balances at March 31, 2023	1,877,308	1.07		0.68