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Summary of Significant Accounting Policies (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2024

Dec. 31, 2023

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Property and Equipment

Schedule of Property and Equipment

		(in thousands)
		September 30, 2024				December 31, 2023
Furniture, fixtures, and equipment			1,466				1,448
Less: accumulated depreciation			(1,349	)			(1,321	)
Property and equipment, net		$	117			$	127

Schedule of Property and Equipment

		2023				2022
		(in thousands) December 31,
		2023				2022
Furniture, fixture and equipment		$	1,448			$	2,233
Less: accumulated depreciation			(1,321	)			(2,038	)
Property and equipment, net		$	127			$	195

Schedule of Available of Sale

Mutual Funds classified as available for sale consisted of:

(in thousands)

December 31, 2023

Schedule of Available of Sale

Securities		Fair Value				Short-Term Investments
Mutual Funds		$	7,631			$	7,631
Totals		$	7,631			$	7,631

Mutual Funds classified as available for sale consisted of:

(in thousands)

December 31, 2022

Securities		Fair Value				Short-Term Investments
Mutual Funds		$	7,137			$	7,137
Totals		$	7,137			$	7,137

 

Schedule of Equity Securities

Schedule of Equity Securities

Securities
Net gain recognized during the year on equity securities		$	200
Less: Net gains and losses recognized during the year on equity securities sold during the year			(176	)
Unrealized gains and losses recognized during the year on equity securities still held at the end of the year		$	376

(in thousands)

December 31, 2022

Securities
Net losses recognized during the period on equity securities		$	(1,679	)
Less: Net gains and losses recognized during the period on equity securities sold during the year			(751	)
Unrealized gains and losses recognized during the reporting period on equity securities still held at the end of the year		$	(928	)

 

Schedule of Options and Equity Estimated Based on Weighted Average Assumptions

Schedule of Options and Equity Estimated Based on Weighted Average Assumptions

		Year Ended December 31,
		2023				2022
Risk-free interest rate			4.37	%			1.74% - 3.88%
Expected dividend yield			—				—
Expected life			10 years				10 years
Expected volatility			99.91	%			98.43% - 107.18%
Weighted average grant date fair value for options issued			$0.43 per option for 400,000 options				$0.51 per option for 850,000 options

Schedule of Warrants Outstanding and Exercisable

Information regarding warrants outstanding and exercisable into shares of common stock is summarized below:

Schedule of Warrants Outstanding and Exercisable

		2023												2022
						Warrant				Weighted Average Exercise								Warrant				Weighted Average Exercise
		Shares				Price				Price				Shares				Price				Price
Outstanding, beginning of year			226,610				$ 0.99-132.00			$	9.10				294,939				$0.99 – 469.92			$	15.19
Granted			—				—				—				—				—				—
Expired			(74,450	)			17.05				17.05				(68,215	)			469.92				469.92
Exercised			—				—				—				(114	)			8.80				8.80
Outstanding, end of year			152,160				$ 0.99-8.80			$	8.03				226,610				$ 0.99-132.00			$	9.10
Exercisable			152,160				$ 0.99-8.80			$	8.03				226,610				$ 0.99-132.00			$	9.10
Weighted average remaining contractual life			.75 years												.94 years
Years exercisable			2024												2023-2024

Share-Based Payment Arrangement, Employee [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Vest Stock Option Activity

Stock option activity for employees:

Schedule of Stock Option Activity

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding June 30, 2024			2,407,775			$	2.50				8.70			$	—
Granted			—				—				—				—
Forfeited			—				—				—				—
Expired			(95	)			—				—				—
Outstanding September 30, 2024			2,407,680			$	2.44				8.70			$	—
Vested and expected to vest September 30, 2024			2,407,680			$	2.44				8.70			$	—
Exercisable September 30, 2024			2,341,014			$	1.66				7.17			$	—

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding January 1, 2024			2,408,438			$	2.50				8.70			$	—
Granted			—				—				—				—
Forfeited			—				—				—				—
Expired			(758	)			—				—				—
Outstanding September 30, 2024			2,407,680			$	2.44				8.70			$	—
Vested and expected to vest September 30, 2024			2,407,680			$	2.44				8.70			$	—
Exercisable September 30, 2024			2,341,014			$	1.66				7.17			$	—

 

Vested stock option activity for employees:

Schedule of Vest Stock Option Activity

		Number of				Weighted Average Exercise				Weighted Average Remaining Contracted Term				Aggregate Intrinsic
		Options				Price				(Years)				Value
Outstanding December 31, 2021			1,498,798			$	4.22				9.11				—
Granted			550,000				0.49				9.71				—
Forfeited			(28,584	)			17.71				—				—
Expired			—				—				—				—
Outstanding December 31, 2022			2,020,214			$	3.01				8.86				—
Granted			400,000				0.47				10.17				—
Forfeited			(7,601	)			9.68				—
Expired			(4,175	)			41.61				—				—
Outstanding December 31, 2023			2,408,438			$	2.50				8.70				—
Vested and expected to vest at December 31, 2023			2,041,772			$	1.90				6.73				—
Exercisable at December 31, 2023			2,041,772			$	1.90				6.73				—

Schedule of Unvested Stock Option Activity

Unvested stock option activity for employees:

Schedule of Unvested Stock Option Activity

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Unvested June 30, 2024			166,666			$	4.11				18.87			$	—
Granted			—				—				—				—
Expired			(95	)			—				—				—
Vested			(99,905	)			0.47				7.17				—
Unvested September 30, 2024			66,666			$	9.61				36.22			$	—

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Unvested January 1, 2024			366,666			$	2.13				12.44			$	—
Granted			—				—				—				—
Expired			(758	)			—				—				—
Vested			(299,242	)			0.47				7.17				—
Unvested September 30, 2024			66,666			$	9.61				36.22			$	—

 

Unvested stock option activity for employees:

Schedule of Unvested Stock Option Activity

		Number of				Weighted Average Exercise				Average Remaining Contracted Term				Aggregate Intrinsic
		Options				Price				(Years)				Value
Unvested December 31, 2021			412,500			$	4.15				5.85				—
Granted			550,000				0.49				9.71				—
Vested			(541,590	)			1.31				9.73				—
Forfeited			(28,584	)			17.71				—				—
Unvested December 31, 2022			392,326			$	0.80				8.86				—
Granted			400,000				0.47				10.17				—
Vested			(413,884	)			1.90				6.73				—
Forfeited			(7,601	)			9.68				—				—
Expired			(4,175	)			41.61				—				—
Unvested December 31, 2023			366,666			$	2.13				12.44				—

Share-Based Payment Arrangement, Nonemployee [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Vest Stock Option Activity

Stock option activity for non-employees:

Schedule of Stock Option Activity

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding June 30, 2024			885,055			$	2.02				9.23			$	—
Granted			—				—				—				—
Forfeited			—				—				—				—
Expired			(95	)			—				—				—
Outstanding September 30, 2024			884,960			$	1.88				9.23			$	—
Vested and expected to vest September 30, 2024			884,960			$	1.88				9.23			$	—
Exercisable September 30, 2024			729,960			$	1.87				10.06			$	—

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding January 1, 2024			885,055			$	2.02				9.23			$	—
Granted			—				—				—				—
Forfeited			—				—				—				—
Expired			(95	)			—				—				—
Outstanding September 30, 2024			884,960			$	1.88				9.23			$	—
Vested and expected to vest September 30, 2024			884,960			$	1.88				9.23			$	—
Exercisable September 30, 2024			729,960			$	1.87				10.06			$	—

 

Vested stock option activity for non-employees:

Schedule of Vest Stock Option Activity

		Number of				Weighted Average Exercise				Weighted Average Remaining Contracted Term				Aggregate Intrinsic
		Options				Price				(Years)				Value
Outstanding December 31, 2021			279,723			$	6.12				7.93				—
Granted			300,000				0.54				9.68				—
Exercised			—				—				—				—
Forfeited			(568	)			153.12				—				—
Outstanding December 31, 2022			579,155			$	3.09				8.36				—
Granted			360,000				0.46				10.04				—
Exercised			—				—				—				—
Expired			(653	)			145.24				—				—
Forfeited			(53,447	)			1.31				—				—
Outstanding December 31, 2023			885,055			$	2.02				9.23				—
Vested and expected to vest at December 31, 2023			550,055			$	2.56				10.02				—
Exercisable at December 31, 2023			550,055			$	2.56				10.02				—

Schedule of Unvested Stock Option Activity

Unvested stock option activity for non-employees:

Schedule of Unvested Stock Option Activity

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Unvested June 30, 2024			155,001			$	3.42				11.30			$	—
Granted			—				—				—				—
Expired			(95	)			—				—				—
Vested			95				0.46				10.18				—
Unvested September 30, 2024			155,001			$	3.42				11.31			$	—

 

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Unvested January 1, 2024			335,001			$	1.83				10.70			$	—
Granted			—				—				—				—
Expired			(95	)			—				—				—
Vested			(179,905	)			0.46				10.18				—
Unvested September 30, 2024			155,001			$	3.42				11.31			$	—

 

Unvested stock option activity for non-employees:

Schedule of Unvested Stock Option Activity

		Number of				Weighted Average Exercise				Weighted Average Remaining Contracted Term				Aggregate Intrinsic
		Options				Price				(Years)				Value
Unvested December 31, 2021			97,831			$	3.89				7.82				—
Granted			300,000				0.54				9.68				—
Vested			(229,053	)			0.82				—				—
Forfeited			(1,989	)			—				—				—
Unvested December 31, 2022			166,789			$	4.05				9.49				—
Granted			360,000				0.46				10.18				—
Vested			(137,565	)			0.47				9.47				—
Expired			(776	)			145.24				—				—
Forfeited			(53,447	)			1.31				—				—
Unvested December 31, 2023			335,001			$	1.83				10.70				—

Equity Incentive Plan 2009 [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Vest Stock Option Activity

Information regarding the options approved by the Board of Directors under the Equity Plan of 2009 is summarized below. The plan expired on June 24, 2019:

Schedule of Stock Option Activity

		2023												2022
						Option				Weighted Average Exercise								Option				Weighted Average Exercise
		Shares				Price				Price				Shares				Price				Price
Outstanding, beginning of year			124,399				13.20 – 1,003.20				22.23				128,504				13.20 – 2,127.84				25.58
Granted			—				—				—				—				—				—
Forfeited			(5,047	)			9.68-327.36				57.79				(4,105	)			16.76-2,127.84				129.88
Exercised			—				—				—				—				—				—
Outstanding, end of year			119,352				13.20-2,127.84				20.72				124,399				13.20-1,003.20				22.23
Exercisable, end of year			119,352				13.20-2,127.84								124,399				13.20-1,003.20
Weighted average remaining contractual life (years)			4.06 years												5.98 years

2018 Equity Incentive Plans [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Vest Stock Option Activity

Information regarding the options approved by the Board of Directors under the Equity Plan of 2018 is summarized below:

Schedule of Stock Option Activity

		2023												2022
						Option				Weighted Average Exercise								Option				Weighted Average Exercise
		Shares				Price				Price				Shares				Price				Price
Outstanding, beginning of year			2,474,971				0.31-9.68				1.72				1,650,017				1.11 – 9.68				2.35
Granted			400,000				0.47-0.47				0.47				850,000				0.31 – 1.71				0.51
Forfeited			(60,829	)			0.31-9.68				1.98				(25,046	)			1.85 – 9.68				1.86
Exercised			—				—				—				—				—				—
Outstanding, end of year			2,814,142				0.31-9.68				1.54				2,474,971				0.31 – 9.68				1.72
Exercisable, end of year			2,397,474				0.31-327.36				4.71				1,916,637				0.41 – 9.68				2.22
Weighted average remaining contractual life (years)			7.96 years												9.65 years
Available for future grants			1,210,286												466,120

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