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Condensed Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |
Net loss | $ (1,433,000) | $ (3,710,000) | $ (2,209,000) | $ (5,976,000) |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |
Stock based compensation |  |  | 7,000 | 222,000 |
Issuance of warrants for VRT waiver |  |  | 44,000 |  |
Change in fair value of warrant liability | 114,000 | (117,000) | (12,000) | (775,000) |
Gain on settlement of debt |  |  | (998,000) |  |
Gain on extinguishment of debt |  |  | (200,000) |  |
Unrealized gain on short-term investments |  |  |  | (1,000) |
Changes in operating assets and liabilities: |  |  |  |  |
(Increase) Decrease in prepaid expenses |  |  | (225,000) | 67,000 |
Decrease in accounts payable and accrued expenses |  |  | (1,623,000) | (1,231,000) |
(Increase) in operating lease right-of-use assets |  |  |  | (5,000) |
Net Cash Used in Operating Activities |  |  | (5,216,000) | (7,699,000) |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |
Sale of investments |  |  |  | 12,893,000 |
Net Cash Provided by Investing Activities |  |  |  | 12,893,000 |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |
Exercise of warrants and issuance of inducement warrants for cash, net |  |  | 1,052,000 |  |
Proceeds from issuance of common stock and warrants, net |  |  |  | 2,976,000 |
Proceeds from issuance of Series L convertible preferred stock and warrants, net |  |  | 5,441,000 |  |
Net Cash Provided by Financing Activities |  |  | 6,493,000 | 2,976,000 |
Net Increase in Cash and Cash Equivalents and Restricted Cash |  |  | 1,277,000 | 8,170,000 |
Cash and Cash Equivalents and Restricted Cash at Beginning of Period |  |  | 4,044,000 | 1,079,000 | $ 1,079,000
Cash and Cash Equivalents and Restricted Cash at End of Period | $ 5,321,000 | $ 9,249,000 | 5,321,000 | 9,249,000 | $ 4,044,000
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: |  |  |  |  |
Interest |  |  |  |  |
Income taxes |  |  |  |  |
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES |  |  |  |  |
Fair value of vested warrants issued in Series L conv. preferred stock transaction |  |  | 3,389,000 |  |
Fair value of prefunded warrants issued for ELOC fee |  |  | 672,000 |  |
Fair value of common stock and warrants issued for services |  |  | 718,000 |  |
Fair value of prefunded warrant or common stock to settle vendor payable |  |  | 847,000 | 810,000 |
Dividend on Series L convertible preferred stock |  |  | 85,000 |  |
Conversion of Series L convertible preferred stock into common stock |  |  | $ 96,000 |  |

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