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v3.26.1

Stock-based Compensation (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Sep. 03, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Stock-based compensation, description |  |  | The ABTC 2025 Plan provides for the grant of stock options, stock appreciation rights, restricted stock, restricted stock units, performance grants, and other stock-based awards to employees, consultants, and directors of the Company and its affiliates. As of the ABTC 2025 Plan’s effective date, 12,130,948 shares of the Company's common stock were reserved for issuance under the ABTC 2025 Plan, subject to an annual automatic increase on each January 1 from 2026 through 2035, equal to the lesser of (a) the excess of 20% of the Company's fully diluted shares outstanding as of the preceding December 31 over the shares then reserved under the ABTC 2025 Plan, and (b) such number as determined by the Company's board of directors. |  |
Number of shares granted |  |  | 181,493 |  |
Stock-based compensation expense | $ 800,000 | $ 0 | $ 1,100,000 | $ 2,100,000 |
Unrecognized stock-based compensation expense | $ 1,800,000 |  | $ 1,800,000 |  |
Weighted-average vesting term |  |  | 1 year 8 months 12 days |  |
ABTC 2025 Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Common stock reserved for issuance |  |  |  |  | 12,130,948
Percentage of fully diluted shares outstanding |  |  |  |  | 20.00%
RSU [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Number of shares granted |  |  | 181,493 |  |

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