STOCKHOLDERS’ EQUITY (Tables)

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Schedule of Stock-Based Compensation Included in Operating Expenses

All stock-based compensation is included in operating expenses as follows:

	Three Months Ended March 31,
	2024		2023
Compensation cost recognized:
Selling, general & administrative	$	324	$	595
Research & development	10		87
	$	334	$	682

Schedule of Stock Option Activity

Stock option activity under the 2015 Plan during the period indicated below is as follows:

	Number of Shares Subject to Issuance	Weighted- average Exercise Price		Weighted- average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at December 31, 2023	1,152,714	$	3.07	3.18 years	$	38
Granted	519,750	1.92		–	–
Forfeited, cancelled, or expired	(184,582)	2.68		–	–
Outstanding at March 31, 2024	1,487,882	$	2.05	2.28 years	$	883
Exercisable at March 31, 2024	484,004	$	3.66	3.28 years	$	471

Schedule of Restricted Stock Unit (RSU) Activity

Restricted stock unit activity during the period indicated below is as follows:

	Number of Shares	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2023	60,500	$	4.23
Granted	145,144	2.04
Vested and settled in shares	(50,226)	3.45
Outstanding at March 31, 2024	155,418	$	2.41