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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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