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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
	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.

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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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