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Schedule of Stock Option Activity (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023
Share-Based Payment Arrangement, Employee [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Number of Options Outstanding, Beginning of Period | 2,019,551 | 2,020,214
Weighted Average Exercise Price Outstanding, Beginning of Period | $ 3.01 | $ 3.01
Weighted Average Remaining Contracted Term (years) Outstanding | 8 years 4 months 9 days | 8 years 10 months 9 days
Aggregate Intrinsic Value Outstanding, Beginning of Period |  |
Number of Options, Granted |  |
Weighted Average Exercise Price, Granted |  |
Aggregate Intrinsic Value, Granted |  |
Number of Options, Forfeited |  |
Weighted Average Exercise Price, Forfeited |  |
Aggregate Intrinsic Value, Forfeited |  |
Number of Options, Expired | (11,113) | (11,776)
Weighted Average Exercise Price, Expired | $ 2.90 | $ 2.90
Weighted Average Remaining Contracted Term (years) Expired | 8 years 4 months 28 days | 8 years 4 months 28 days
Aggregate Intrinsic Value, Expired |  |
Number of Options Outstanding, Ending of Period | 2,008,438 | 2,008,438
Weighted Average Exercise Price Outstanding, End of Period | $ 2.90 | $ 2.90
Weighted Average Remaining Contracted Term (years) Outstanding | 8 years 4 months 28 days | 8 years 4 months 28 days
Aggregate Intrinsic Value Outstanding, Ending of Period |  |
Number of Options, Vested and Expected to Vest | 2,008,438 | 2,008,438
Weighted Average Exercise Price, Vested and Expected to Vest | $ 2.90 | $ 2.90
Weighted Average Remaining Contracted Term (years), Vested and Expected to Vest | 8 years 4 months 28 days | 8 years 4 months 28 days
Aggregate Intrinsic Value, Vested and Expected to Vest |  |
Number of Options Exercisable, End of Period | 1,941,772 | 1,941,772
Weighted Average Exercise Price Exercisable, Ending of Period | $ 1.98 | $ 1.98
Weighted Average Remaining Contracted Term (years), Exercisable at End of Period | 6 years 6 months 7 days | 6 years 6 months 7 days
Aggregate Intrinsic Value, Exercisable at End of Period |  |
Weighted Average Remaining Contracted Term (years) Expired |  | 12 years 9 months 21 days
Share-Based Payment Arrangement, Nonemployee [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Number of Options Outstanding, Beginning of Period | 579,032 | 579,155
Weighted Average Exercise Price Outstanding, Beginning of Period | $ 3.09 | $ 3.09
Weighted Average Remaining Contracted Term (years) Outstanding | 8 years 4 months 9 days | 7 years 11 months 4 days
Aggregate Intrinsic Value Outstanding, Beginning of Period |  |
Number of Options, Granted |  |
Weighted Average Exercise Price, Granted |  |
Aggregate Intrinsic Value, Granted |  |
Number of Options, Forfeited |  |
Weighted Average Exercise Price, Forfeited |  |
Aggregate Intrinsic Value, Forfeited |  |
Number of Options, Expired | (53,977) | (54,100)
Weighted Average Exercise Price, Expired | $ 1.62 | $ 1.62
Weighted Average Remaining Contracted Term (years) Expired | 8 years 8 months 1 day | 8 years 8 months 1 day
Number of Options Outstanding, Ending of Period | 525,055 | 525,055
Weighted Average Exercise Price Outstanding, End of Period | $ 1.62 | $ 1.62
Weighted Average Remaining Contracted Term (years) Outstanding | 8 years 8 months 1 day | 8 years 8 months 1 day
Aggregate Intrinsic Value Outstanding, Ending of Period |  |
Number of Options, Vested and Expected to Vest | 525,055 | 525,055
Weighted Average Exercise Price, Vested and Expected to Vest | $ 1.62 | $ 1.62
Weighted Average Remaining Contracted Term (years), Vested and Expected to Vest | 8 years 8 months 1 day | 8 years 8 months 1 day
Aggregate Intrinsic Value, Vested and Expected to Vest |  |
Number of Options Exercisable, End of Period | 458,388 | 458,388
Weighted Average Exercise Price Exercisable, Ending of Period | $ 2.99 | $ 2.99
Weighted Average Remaining Contracted Term (years), Exercisable at End of Period | 10 years 1 month 28 days | 10 years 1 month 28 days
Aggregate Intrinsic Value, Exercisable at End of Period |  |
Aggregate Intrinsic Value, Expired |  |
Weighted Average Remaining Contracted Term (years) Expired |  | 8 years 8 months 1 day

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- Definition Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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