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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Share-Based Compensation

Schedule of options to purchase common stock

​

​	​	​	​	​	​	​	​
​		​		Weighted			​
​	​	​	​	average		​	Weighted
​	​	​	​	exercise		​	average
​	​	Number of	​	price		​	contractual
​	​	shares	​	per share		​	term (years)
Outstanding at December 31, 2023		85		$	387,691.92		3.7
Granted		2,100	​	​	1,108.80		9.2
Exercised		—	​	​	—		—
Forfeited		(83)	​	​	13,365.75		—
Outstanding at December 31, 2024		2,102	​	​	2,206.40		9.4
Granted		—	​	​	—		—
Exercised		—	​	​	—		—
Forfeited		(63)	​		79,207.64		—
Outstanding at June 30, 2025		2,039	​	$	14,404.41		8.8

Schedule of assumptions to determine the grant-date fair value of options granted

​

​	​	​
​	​	Year Ended
​	​	December 31, 2024
Risk-free interest rate		4.44%
Expected term (in years)		6.0
Expected volatility	​	128.8%
Expected dividend yield		—
Fair value per share of underlying stock	​	$29.68 - $30.24

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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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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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