Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Stock Option Activity Under Stock Option Plan

Stock option activity under the Company's stock options plans for the years ending December 31, 2024 and 2023 were as follows:

(in thousands, except share and per share data)	Number of Shares			Weighted- Average Exercise Price		Weighted- Average Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding, December 31, 2022		69,391		$	276.00	8.69		$	3
Granted		25,912			73.50
Exercised		-			-
Cancelled		(48,714	)		177.00
Outstanding, December 31, 2023		46,589		$	268.50	7.64		$	—
Granted		13,289			10.84
Exercised		-			-
Cancelled		(26,641	)		283.09
Outstanding, December 31, 2024		33,237		$	153.79		7.15	$	—
Options exercisable, December 31, 2024		23,903		$	224.53		7.41	$	—
Options available for future grant, December 31, 2024		142,745

Assumptions for Volatility, Expected Life, Dividend Yield and Risk-Free Interest Rate

The assumptions for volatility, expected life, dividend yield and risk-free interest rate are presented in the table below:

	For the Year Ended December 31,
	2024	2023
Risk-free interest rate	3.70 – 4.09%	3.51 – 4.01%
Expected life in years	5.04-6.06	5.06 – 6.25
Expected volatility	112.17 -170.50%	89.69 – 112.12%
Expected dividend yield	—%	—%