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Stock Option Plan (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2025

Dec. 31, 2024

Stock Option Plan [Abstract]

Schedule of Activity Under the Plan is Set Forth

Activity under the Plan is set forth below:

		Options Outstanding
Stock Option Activity		Shares Available for Grant				Number of Options				Weighted- Average Exercise Price Per Share				Weighted- Average Remaining Contractual Term (in years)
Balances at January 1, 2025			1,560,091				2,972,055			$	0.40				3.00
Options granted			(1,560,091	)			1,560,091			$	1.26
Options exercised			—				—			$	—
Options expired			—				—			$	—
Options cancelled/forfeited			11,896				(11,896	)		$	0.63
Balances at June 30, 2025			11,896				4,520,250			$	0.70				6.48
Exercisable at June 30, 2025							2,364,814			$	1.04				5.48
Vested and expected to vest at June 30, 2025							4,520,250				0.70				6.48

		Options Outstanding
Stock Option Activity		Shares Available for Grant				Number of Options				Weighted- Average Exercise Price Per Share				Weighted- Average Remaining Contractual Term (in years)
Balances at December 31, 2023			1,550,091				2,982,055			$	0.40				3.70
Options granted			—				—			$	—
Options exercised			—				—			$	—
Options expired			10,000				(10,000	)		$	0.001
Options cancelled/forfeited			—				—			$	—
Balances at June 30, 2024			1,560,091				2,972,055			$	0.40				3.53
Exercisable at June 30, 2024							1,464,429			$	0.49				4.88
Vested and expected to vest at June 30, 2024							2,972,055				0.40				3.53

Activity under the Plan is set forth below:

		Options Outstanding
Stock Option Activity		Shares Available for Grant				Number of Options				Weighted- Average Exercise Price Per Share				Weighted- Average Remaining Contractual Term (in years)
Balances at January 1, 2024			1,550,091				2,982,055			$	0.40				3.70
Options granted			—				—			$	—
Options exercised			—				—			$	—
Options expired			10,000				(10,000	)		$	0.001
Options cancelled/forfeited			—				—			$	—
Balances at December 31, 2024			1,560,091				2,972,055			$	0.40				3.00
Exercisable at December 31, 2024							1,548,910			$	0.49				4.32
Vested and expected to vest at December 31, 2024							2,972,055				0.40				3.00

Schedule of Stock Compensation Expense by Function Recognized for the Years

The following table is a summary of stock compensation expense by function recognized for the three and six months ended June 30, 2025 and 2024 (in thousands):

		Six months ended June 30,
		2025				2024
General Administrative		$	33			$	4
Research and development			54				7
		$	87			$	11

		Three months ended June 30,
		2025				2024
General Administrative		$	31			$	2
Research and development			51				4
		$	82			$	6

The following table is a summary of stock compensation expense by function recognized for the years ended December 31, 2024 and 2023 (in thousands):

		Years ended December 31,
		2024				2023
General Administrative		$	7			$	10
Research and development			14				23
		$	21			$	33

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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