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STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2026

Share-Based Payment Arrangement [Abstract]

Schedule of stock option activity

The following table presents the outstanding stock option activity:

			Number of Options									Weighted Average Exercise Price Per Share						Weighted Average Remaining Contractual Term (years)
Outstanding as of December 31, 2025			175,578									20.75						8.8
Granted			1,053,288									1.61						9.9
Exercised			—									—						—
Forfeited			(10,002)									3.36						—
Expired			(140)									3,985.71						—
Outstanding as of June 30, 2026			1,218,724			(1)						3.89						9.3
Exercisable as of June 30, 2026			171,312									17.72						5.6

(1) Includes options related to 603 shares that are inducement awards and not granted under the 2018 Plan.

Schedule of share-based payment award, stock options, valuation assumptions

The weighted average grant date fair value of options granted during the three- and six-month periods ended June 30, 2026 was $1.38 per share based on the following assumptions used in the Black-Scholes option pricing model:

Expected volatility			116		%
Expected dividend yield			—
Expected term (in years)			5.9 years
Risk-free interest rate			4.2		%

Schedule of stock-based compensation expense

The stock-based compensation expense was recorded as follows (in thousands):

			Three Months Ended June 30,												Six Months Ended June 30,
			2026						2025						2026						2025
Research and development			$	5					$	3					$	7					$	6
Selling, general and administrative			177						87						198						175
Total stock-based compensation expense			$	182					$	90					$	205					$	181

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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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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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