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STOCKHOLDERS’ EQUITY (Tables)

12 Months Ended

Dec. 31, 2024

Equity [Abstract]

Schedule of Stockholders' Equity Note, Warrants or Rights

As of December 31, 2024 and 2023, we had the following outstanding warrants:

			As of December 31, 2024						As of  December 31, 2023
			Number of Underlying Shares												Exercise Price						Expiration
June 2022 Warrants			384,615						384,615						$9.10						December 16, 2026
December 2021 Warrants			182,630						182,630						$24.64						June 7, 2027
January 2020 Investor Warrants			26,819						26,819						$23.59						January 13, 2025
January 2020 Placement Agent Warrants			5,954						5,954						$34.96						January 13, 2025
			600,018						600,018

Schedule of Impact of Results of Stock-Based Compensation

The following table summarizes stock-based compensation expense and the impact it had on operations for the periods presented (in thousands):

			For the year ended December 31,
			2024						2023
Cost of sales			$	—					$	2
Selling, general, and administrative			4						42
Total stock-based compensation			$	4					$	44

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions

Estimates utilized in the calculation include the expected life of the option, risk-free interest rate, and expected volatility, and are further comparatively detailed as follows:

			2024						2023
Fair value of options issued			$	—					$	2.49
Exercise price			$	—					$	3.04
Expected life of option (in years)			0						6.1
Risk-free interest rate			—		%				3.5		%
Expected volatility			—		%				101.8		%
Dividend yield			0.00		%				0.00		%

Schedule of Option Activity

A summary of option activity under all plans was as follows:

			Number of Options						Weighted Average Exercise Price Per Share
Outstanding at December 31, 2022			47,102						13.78
Granted			11,427						$	3.04
Canceled/forfeited			(24,076)						18.55
Expired			(3,878)						17.03
Balance at December 31, 2023			30,575						$	5.60
Expired			(9)						53.33
Balance at December 31, 2024			30,566						$	5.58
Vested and expected to vest at December 31, 2024			28,376						$	5.67
Exercisable at December 31, 2024			16,735						$	6.20

Schedule of Options Outstanding

The options outstanding at December 31, 2024 have been segregated into ranges for additional disclosure as follows:

OPTIONS OUTSTANDING																														OPTIONS EXERCISABLE
Range of Exercise Prices												Number of Shares Outstanding						Weighted Average Remaining Contractual Life (in years)						Weighted Average Exercise Price						Number of Shares Exercisable						Weighted Average Remaining Contractual Life (in years)						Weighted Average Exercise Price
$3.04			—			$4.14						7,142						8.3						$	3.04					2,976						8.3						$	3.04
$4.15			—			$5.73						21,428						7.7						5.25						12,062						7.7						5.25
$5.74			—			$13.48						882						6.2						8.34						680						5.9						8.97
$13.49			—			$27.55						661						4.8						16.80						661						4.8						16.80
$27.56			—			$48.79						453						6.1						39.61						356						6.1						39.97
												30,566						7.7						$	5.58					16,735						7.6						$	6.20

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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