STOCKHOLDERS’ EQUITY (Tables)

3 Months Ended

Mar. 31, 2023

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,
	2023		2022
Compensation cost recognized:
Selling, general & administrative	$	595	$	427
Research & development	87		165
	$	682	$	592

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, 2022	1,120,244	$	3.68	3.50 years	$	84
Granted	502,507	3.02		–	–
Forfeited, cancelled, or expired	(122,467)	2.45		–	–
Outstanding at March 31, 2023	1,500,284	$	2.72	2.32 years	$	247
Exercisable at March 31, 2023	353,523	$	5.69	1.65 years	$	247

Schedule of Restricted Stock Unit (RSU) Activity

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

	Number of Shares	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022	214,892	$	8.43
Granted	126,228	2.49
Forfeited or surrendered	(15,120)	10.46
Vested and settled in shares	(169,653)	3.85
Outstanding at March 31, 2023	156,347	$	8.40

Schedule of Performance Stock Unit (PSU) Activity

	Number of Shares	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022	177,688	$	7.91
Forfeited	(88,844)	7.91
Vested and settled in shares	(88,844)	7.91
Outstanding at March 31, 2023	—	$	7.91