Percentage of number of shares added each year

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- Definition

Percentage of voting power on classes of stock

+ References

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- Definition

Share-based compensation arrangement by share-based payment award, equity instruments other than options, fair value of grants in period.

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No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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Equity Incentive Plans - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2025	Aug. 09, 2024	Jun. 30, 2024	Jan. 01, 2024
Equity Incentive Plans
Option term	10 years
Shares available to award	33,401		5,555
Percentage of number of shares added each year				5.00%	5.00%
Weighted-average exercise price of stock options outstanding	$ 219.12
Weighted-average exercise price of stock options exercisable	$ 408.86
Weighted average remaining contractual life for stock options outstanding	8 years 11 months 15 days
Weighted average remaining contractual life for stock options exercisable	8 years 8 months 15 days
Stock-based compensation expense	$ 100,000	$ 54,000
Share-based compensation remaining expense	$ 145,000
Share-based compensation expense, expected to be amortized period	11 months 4 days
Share-based Payment Arrangement, Employee
Equity Incentive Plans
Percentage of voting power	10.00%
Exercise price on percentage of fair market value per share on the date of grant	110.00%
Share-based Payment Arrangement, Nonemployee
Equity Incentive Plans
Exercise price on percentage of fair market value per share on the date of grant	100.00%
Incentive Stock Option
Equity Incentive Plans
Option term	5 years
Employee Stock Option
Equity Incentive Plans
Stock-based compensation expense	$ 74,000	52,000
Restricted Stock Awards
Equity Incentive Plans
Stock awards outstanding	0
Fair value of restricted stock awards vested	$ 2,000	2,000
Restricted Stock Units
Equity Incentive Plans
Fair value of restricted stock units granted during the period	306,000
Stock-based compensation expense	$ 24,000	$ 0
Granted	35,296	0
Share-based compensation remaining expense	$ 449,000
Share-based compensation expense, expected to be amortized period	3 years 10 months 24 days
2021 Plan
Equity Incentive Plans
Number of shares authorized								5,434	4,312
Percentage of voting power	10.00%
Amended and Restated 2021 Equity Incentive Plan
Equity Incentive Plans
Number of shares authorized						27,846	58,823
Shares available to award	33,401
Percentage of number of shares added each year			5.00%