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Stock Options - Stock-based compensation included in research and development, marketing and advertising, and general and administrative expenses (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Stock Options |  |
Total stock-based compensation expense | $ 1,173 | $ 1,559
Research and development |  |
Stock Options |  |
Total stock-based compensation expense | 701 | 847
Marketing and advertising |  |
Stock Options |  |
Total stock-based compensation expense | 12 | 18
General and administrative |  |
Stock Options |  |
Total stock-based compensation expense | $ 460 | $ 694

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- Definition Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans). + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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