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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Stock-Based Compensation

Schedule of assumptions used for estimating fair value

​

​	​	​	​	​
​	​	2025
Exercise price	​	$	1.41	​
Expected dividends	​		—	%
Expected volatility	​		107.4	%
Risk free interest rate	​		3.74	%
Expected life of option (years)	​		4.23	​

Summary of stock option activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		Weighted			Weighted Average		Aggregate
​	​	​	​	Average Exercise		​	Remaining	​	Intrinsic
​		Options		Price			Contractual Life		Value
Balance - December 31, 2023		175,049	​	$	45.55		7.70 years	​	$	—
​	​	​	​	​	​	​	​	​	​	​
Granted		420	​	​	5.25		​	​		​
Expired		(435)	​	​	3,498.79		​	​		​
Forfeited		—	​	​	—		​	​		​
Balance - December 31, 2024	​	175,034	​	​	36.88	​	6.72 years	​	​	—
​	​	​	​	​	​	​	​	​	​	​
Granted	​	951,500	​	​	1.41	​	​	​	​	​
Expired	​	(104)	​	​	18,900	​	​	​	​	​
Forfeited	​	—	​	​	—	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​
Balance - June 30, 2025 -outstanding		1,126,430	​	$	5.18		7.79 years	​	$	—
​	​	​	​	​	​	​	​	​	​	​
Balance - June 30, 2025 -exercisable		159,455	​	$	24.18		6.12 years	​	$	—
​	​	​	​	​	​	​	​	​	​	​
Grant date fair value of options granted – six months ended June 30, 2025	​	​	​	$	1,011,295			​
​	​	​	​	​	​	​	​	​	​	​
Weighted average grant date fair value – six months ended June 30, 2025	​	​	​	$	1.06			​

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- Definition

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.

+ References

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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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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