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Share-based payments (Details - Textuals) - Stock Incentive Plan 2022 - Restricted Stock Units (RSUs) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 USD ($) shares | Sep. 30, 2022 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation award, other than option equity instruments, quantity of securities issued prior to the grant-date |  | 100,000
Share-based compensation award, other than option equity instruments, cost of securities issued prior to the grant-date | $ | $ 281,667 | $ 385,000
Share-based compensation award, other than option equity instruments, vested and non-vested | 987,700 | 987,700
Share-based compensation award, other than option equity instruments, vested |  | 140,000
Share-based compensation award, other than option equity instruments, non-vested | 120,000 | 120,000
Share-based compensation award, other than option equity instruments, accelerated vesting |  | 727,700
Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation award vesting period |  | 5 years
Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation award vesting period |  | 2 years

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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