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Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Common Stock | Issuable Shares | Exchangeable Shares | Additional Paid-In Capital | Accumulated Deficit | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2023 | $ 1 |  |  | $ 170,474 | $ (166,392) | $ 4,083
Balance (in Shares) at Dec. 31, 2023 | 673 |  | 95 |  |  |
Shares issued for reverse stock split |  |  |  |  |  |
Shares issued for reverse stock split (in Shares) | 52 |  |  |  |  |
Sale of common stock and warrants, net |  |  |  | 3,431 |  | 3,431
Sale of common stock and warrants, net (in Shares) | 563 |  |  |  |  |
Issuance of common stock upon exercise of warrants | $ 1 |  |  |  |  | 1
Issuance of common stock upon exercise of warrants (in Shares) | 1,001 |  |  |  |  |
Stock-based compensation |  |  |  | 1,222 |  | 1,222
Net loss |  |  |  |  | (2,031) | (2,031)
Balance at Mar. 31, 2024 | $ 2 |  |  | 175,127 | (168,423) | 6,706
Balance (in Shares) at Mar. 31, 2024 | 2,289 |  | 95 |  |  |
Balance at Dec. 31, 2023 | $ 1 |  |  | 170,474 | (166,392) | 4,083
Balance (in Shares) at Dec. 31, 2023 | 673 |  | 95 |  |  |
Net loss |  |  |  |  |  | (9,168)
Balance at Sep. 30, 2024 | $ 3 |  |  | 177,583 | (175,560) | 2,026
Balance (in Shares) at Sep. 30, 2024 | 2,856 |  | 87 |  |  |
Balance at Dec. 31, 2023 | $ 1 |  |  | 170,474 | (166,392) | 4,083
Balance (in Shares) at Dec. 31, 2023 | 673 |  | 95 |  |  |
Balance at Dec. 31, 2024 | $ 3 | $ 1,193 |  | 179,390 | (177,120) | 3,466
Balance (in Shares) at Dec. 31, 2024 | 4,474 | 917 | 60 |  |  |
Balance at Mar. 31, 2024 | $ 2 |  |  | 175,127 | (168,423) | 6,706
Balance (in Shares) at Mar. 31, 2024 | 2,289 |  | 95 |  |  |
Exchange of exchangeable shares |  |  |  |  |  |
Exchange of exchangeable shares (in Shares) | 8 |  | (8) |  |  |
Issuance of common stock under stock plan, net |  |  |  | (4) |  | (4)
Issuance of common stock under stock plan, net (in Shares) | 2 |  |  |  |  |
Issuance of common stock upon exercise of warrants | $ 1 |  |  |  |  | 1
Issuance of common stock upon exercise of warrants (in Shares) | 307 |  |  |  |  |
Sale of common stock |  |  |  | 127 |  | 127
Sale of common stock (in Shares) | 100 |  |  |  |  |
Stock-based compensation |  |  |  | 1,155 |  | 1,155
Net loss |  |  |  |  | (4,425) | (4,425)
Balance at Jun. 30, 2024 | $ 3 |  |  | 176,405 | (172,848) | 3,560
Balance (in Shares) at Jun. 30, 2024 | 2,706 |  | 87 |  |  |
At-the market sales of stock, net |  |  |  | 164 |  | 164
At-the market sales of stock, net (in Shares) | 110 |  |  |  |  |
Shares issued for services |  |  |  | 54 |  | 54
Shares issued for services (in Shares) | 40 |  |  |  |  |
Stock-based compensation |  |  |  | 960 |  | 960
Net loss |  |  |  |  | (2,712) | (2,712)
Balance at Sep. 30, 2024 | $ 3 |  |  | 177,583 | (175,560) | 2,026
Balance (in Shares) at Sep. 30, 2024 | 2,856 |  | 87 |  |  |
Balance at Dec. 31, 2024 | $ 3 | $ 1,193 |  | 179,390 | (177,120) | 3,466
Balance (in Shares) at Dec. 31, 2024 | 4,474 | 917 | 60 |  |  |
At-the market sales of stock, net | $ 1 |  |  | 432 |  | 433
At-the market sales of stock, net (in Shares) | 329 |  |  |  |  |
Shares issued for services | $ 0 |  |  | 40 |  | 40
Shares issued for services (in Shares) | 40 |  |  |  |  |
Stock-based compensation |  |  |  | 125 |  | 125
Net loss |  |  |  |  | (471) | (471)
Balance at Mar. 31, 2025 | $ 4 | $ 1,193 |  | 179,987 | (177,591) | 3,593
Balance (in Shares) at Mar. 31, 2025 | 4,843 | 917 | 60 |  |  |
Balance at Dec. 31, 2024 | $ 3 | $ 1,193 |  | 179,390 | (177,120) | 3,466
Balance (in Shares) at Dec. 31, 2024 | 4,474 | 917 | 60 |  |  |
Net loss |  |  |  |  |  | (3,510)
Balance at Sep. 30, 2025 | $ 5 | $ 988 |  | 183,238 | (180,630) | 3,601
Balance (in Shares) at Sep. 30, 2025 | 7,580 | 837 | 57 |  |  |
Balance at Mar. 31, 2025 | $ 4 | $ 1,193 |  | 179,987 | (177,591) | 3,593
Balance (in Shares) at Mar. 31, 2025 | 4,843 | 917 | 60 |  |  |
At-the market sales of stock, net | $ 1 |  |  | 1,078 |  | 1,079
At-the market sales of stock, net (in Shares) | 941 |  |  |  |  |
Issuance of abeyance shares |  | $ (182) |  | 182 |  |
Issuance of abeyance shares (in Shares) | 140 | (140) |  |  |  |
Exchange of exchangeable shares |  |  |  |  |  |
Exchange of exchangeable shares (in Shares) | 3 |  | (3) |  |  |
Issuance of common stock under stock plan, net |  |  |  | 3 |  | 3
Issuance of common stock under stock plan, net (in Shares) | 6 |  |  |  |  |
Stock-based compensation |  |  |  | 141 |  | 141
Net loss |  |  |  |  | (1,829) | (1,829)
Balance at Jun. 30, 2025 | $ 5 | $ 1,011 |  | 181,391 | (179,420) | 2,987
Balance (in Shares) at Jun. 30, 2025 | 5,933 | 777 | 57 |  |  |
At-the market sales of stock, net |  |  |  | 744 |  | 744
At-the market sales of stock, net (in Shares) | 733 |  |  |  |  |
Issuance of abeyance shares |  | $ (1,011) |  | 1,011 |  |
Issuance of abeyance shares (in Shares) | 777 | (777) |  |  |  |
Issuance of common stock and warrants from warrant inducement offering, net |  | $ 988 |  | (55) |  | 933
Issuance of common stock and warrants from warrant inducement offering, net (in Shares) | 115 | 837 |  |  |  |
Issuance of common stock under stock plan, net |  |  |  | 16 |  | 16
Issuance of common stock under stock plan, net (in Shares) | 22 |  |  |  |  |
Stock-based compensation |  |  |  | 131 |  | 131
Net loss |  |  |  |  | (1,210) | (1,210)
Balance at Sep. 30, 2025 | $ 5 | $ 988 |  | $ 183,238 | $ (180,630) | $ 3,601
Balance (in Shares) at Sep. 30, 2025 | 7,580 | 837 | 57 |  |  |

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