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Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Series A Special Voting Preferred Stock | Common Stock | Exchangeable Shares | Additional Paid-In Capital | Accumulated Other Comprehensive Loss | Accumulated Deficit | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2022 |  |  |  | $ 164,879 | $ (25) | $ (149,597) | $ 15,257
Balance (in Shares) at Dec. 31, 2022 |  | 357 | 228 |  |  |  |
Exchange of exchangeable shares |  |  |  |  |  |  |
Exchange of exchangeable shares (in Shares) |  | 8 | (8) |  |  |  |
Stock-based compensation |  |  |  | 1,307 |  |  | 1,307
Unrealized gain on available-for-sale securities |  |  |  |  | 14 |  | 14
Net loss |  |  |  |  |  | (3,148) | (3,148)
Balance at Mar. 31, 2023 |  |  |  | 166,186 | (11) | (152,745) | 13,430
Balance (in Shares) at Mar. 31, 2023 |  | 365 | 220 |  |  |  |
Balance at Dec. 31, 2022 |  |  |  | 164,879 | (25) | (149,597) | 15,257
Balance (in Shares) at Dec. 31, 2022 |  | 357 | 228 |  |  |  |
Unrealized gain on available-for-sale securities |  |  |  |  |  |  | 21
Net loss |  |  |  |  |  |  | (7,234)
Balance at Jun. 30, 2023 |  |  |  | 167,869 | (4) | (156,831) | 11,034
Balance (in Shares) at Jun. 30, 2023 |  | 555 | 143 |  |  |  |
Balance at Mar. 31, 2023 |  |  |  | 166,186 | (11) | (152,745) | 13,430
Balance (in Shares) at Mar. 31, 2023 |  | 365 | 220 |  |  |  |
Sale of common stock |  |  |  | 3,546 |  |  | 3,546
Sale of common stock (in Shares) |  | 56 |  |  |  |  |
Exchange of exchangeable shares |  |  |  | (3) |  |  | (3)
Exchange of exchangeable shares (in Shares) |  | 77 | (77) |  |  |  |
Issuance of common stock under stock plan, net |  |  |  | (36) |  |  | (36)
Issuance of common stock under stock plan, net (in Shares) |  | 4 |  |  |  |  |
Issuance of common stock upon exercise of warrants |  |  |  | 19 |  |  | 19
Issuance of common stock upon exercise of warrants (in Shares) |  | 53 |  |  |  |  |
Initial recognition of fair value of warrant liability |  |  |  | (3,162) |  |  | (3,162)
Stock-based compensation |  |  |  | 1,319 |  |  | 1,319
Unrealized gain on available-for-sale securities |  |  |  |  | 7 |  | 7
Net loss |  |  |  |  |  | (4,086) | (4,086)
Balance at Jun. 30, 2023 |  |  |  | 167,869 | (4) | (156,831) | 11,034
Balance (in Shares) at Jun. 30, 2023 |  | 555 | 143 |  |  |  |
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 |  |  |  | 3,431 |  |  | 3,431
Sale of common stock (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 |  |  |  |
Unrealized gain on available-for-sale securities |  |  |  |  |  |  |
Net loss |  |  |  |  |  |  | (6,456)
Balance at Jun. 30, 2024 |  | $ 3 |  | 176,405 |  | (172,848) | 3,560
Balance (in Shares) at Jun. 30, 2024 |  | 2,706 | 87 |  |  |  |
Balance at Mar. 31, 2024 |  | $ 2 |  | 175,127 |  | (168,423) | 6,706
Balance (in Shares) at Mar. 31, 2024 |  | 2,289 | 95 |  |  |  |
Sale of common stock |  |  |  | 127 |  |  | 127
Sale of common stock (in Shares) |  | 100 |  |  |  |  |
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 |  |  |  |  |
Stock-based compensation |  |  |  | 1,155 |  |  | 1,155
Unrealized gain on available-for-sale securities |  |  |  |  |  |  |
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 |  |  |  |

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