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Stockholders Equity and StockBased Compensation (Tables)

12 Months Ended

Dec. 31, 2023

Stockholders Equity and Stock Based Compensation

Schedule Of Share-based Compensation, Stock Options, Activity

		2023				2022
Expected volatility		68.13% to 95.7%				97.58% to 115.37%
Risk free interest rate		4.21% to 5.12%				1.02% to 3.28%
Dividend yield rate			—				—
Expected term		1 – 6 years				2 – 6 years
Closing price per share – common stock		$4.31 to $4.35				$5.93 to $6.27

Schedule Of outstanding RSU

		Number of Shares				Weighted- Average Grant Date Fair Value				Aggregate Intrinsic Value
Outstanding, December 31, 2022			416,316			$	6.52			$	1,619,469
Awards granted			301,099			$	3.91
Awards vested			(159,727	)		$	7.06
Awards forfeited			—			$	—
Outstanding, December 31, 2023			557,688			$	4.95			$	1,790,178

Schedule Of stock option

		Number of Options				Weighted Average Exercise Price				Weighted- Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding, December 31, 2022			525,903			$	18.74				4.52			$	4,982
Granted			35,482				4.58
Exercised			—				—
Forfeited			—				—
Expired			(50,598	)			17.47
Outstanding, December 31, 2023			510,787			$	17.88				3.84			$	—
Vested and expected to vest, December 31, 2023			510,787			$	17.88				3.84			$	—
Options exercisable, December 31, 2023			498,177			$	18.21				3.71			$	—

Schedule Of Stock Based Compensation Expense

		Year Ended
		December 31,
		2023				2022
Research and development expenses		$	0.2			$	—
General and administrative expenses			1.1				0.8
Total stock-based compensation expense		$	1.3			$	0.8

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