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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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Stockholders' Equity - Equity Incentive Plans (Details) - shares	Sep. 30, 2025	Aug. 01, 2025	Apr. 21, 2025	Mar. 15, 2025	Mar. 19, 2024
Equity Incentive Plans [Member]
Stockholders' Equity
Shares of common stock reserved for issuance (in shares)	596,553
2011 Equity Incentive Plan
Stockholders' Equity
Shares are granted available for issuance (in shares)	0
2011 Equity Incentive Plan \| Unexercised Stock Options
Stockholders' Equity
Shares of common stock reserved for issuance (in shares)	381,494
2021 Equity Incentive Plan
Stockholders' Equity
Number of common stock eligible for issuance	400,000
Shares are granted available for issuance (in shares)	72,559
Shares of common stock reserved for issuance (in shares)	72,559
2021 Equity Incentive Plan \| Unexercised Stock Options
Stockholders' Equity
Shares of common stock reserved for issuance (in shares)	142,500
Not related to plan
Stockholders' Equity
Shares of common stock reserved for issuance (in shares)	1,476,455
Not related to plan \| Warrants
Stockholders' Equity
Shares of common stock reserved for issuance (in shares)		139,916	1,137,455	80,791	18,293
Not related to plan \| Unexercised Stock Options \| Halston License
Stockholders' Equity
Shares of common stock reserved for issuance (in shares)	100,000