XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.25.3

STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
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) |  |
Three months ended September 30, 2025: |  |  |  |  |  |  |  |
Outstanding as of June 30, 2025: | 175,662 |  |  |  | $ | 23.14 |  |  | 9.1 |  |
Granted | — |  |  |  | — |  |  | — |  |  |
Exercised | — |  |  |  | — |  |  | — |  |  |
Forfeited | — |  |  |  | — |  |  | — |  |  |
Expired | (59) |  |  |  | 4,658.85 |  |  | — |  |  |
Outstanding as of September 30, 2025 | 175,603 |  | (1) |  | 21.58 |  |  | 8.8 |  |
Nine months ended September 30, 2025: |  |  |  |  |  |  |  |
Outstanding as of December 31, 2024 | 147,616 |  |  |  | 27.13 |  |  | 9.5 |  |
Granted | 28,057 |  |  |  | 3.09 |  |  | 9.5 |  |
Exercised | — |  |  |  | — |  |  | — |  |  |
Forfeited | (11) |  |  |  | 2,497.70 |  |  | — |  |  |
Expired | (59) |  |  |  | 4,658.85 |  |  | — |  |  |
Outstanding as of September 30, 2025 | 175,603 |  | (1) |  | 21.58 |  |  | 8.8 |  |
Exercisable as of September 30, 2025 | 107,388 |  |  |  | 33.24 |  |  | 8.7 |  |
(1) Includes options related to 603 shares that are inducement awards and not granted under the 2018 Plan.
Schedule of fair value of options granted, assumptions | The weighted average grant date fair value of options granted during the nine months ended September 30, 2025 was $3.08 per share based on the following assumptions used in the Black-Scholes option pricing model:
Expected volatility | 162 | %
Expected dividend yield | — | %
Expected term (in years) | 10
Risk-free interest rate | 4.67 | %
Schedule of stock-based compensation expense | The stock-based compensation expense was recorded as follows (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Research and development | $ | 2 |  |  | $ | 5 |  |  | $ | 8 |  |  | $ | 13 |
Selling, general and administrative | 45 |  | 68 |  | 220 |  | 233
Total stock-based compensation expense | $ | 47 |  |  | $ | 73 |  |  | $ | 228 |  |  | $ | 246 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration