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Stockholders Equity and Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2024

Stockholders Equity and Stock-Based Compensation

Schedule of assumptions used in fair value of stock options granted

		Nine Months Ended
		September 30,
		2024				2023
Expected volatility		75.36%-92.89%				68.13%-95.70%
Risk free interest rate		3.76%-4.54%				4.21%-4.88%
Dividend yield rate			—				—
Weighted average years		2 – 6 years				1 – 6 years
Closing price per share - common stock		$2.49 – $2.62				$4.31 - $4.35

Schedule of stock based compensation expense

		For the Three Months Ended								For the Nine Months Ended
		September 30,								September 30,
		2024				2023				2024				2023
Research and development expenses		$	0.1			$	—			$	0.2			$	0.1
General and administrative expenses		$	0.3			$	0.3			$	1.0			$	0.8
Total stock-based compensation expense		$	0.4			$	0.3			$	1.2			$	0.9

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, 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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