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Summary of Significant Accounting Policies (Details - Options outstanding and exercisable) - shares shares in Thousands | Mar. 31, 2025 | Dec. 31, 2024
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Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Number of shares, outstanding | 6,027 | 6,097
Number of shares, exercisable | 5,204 | 5,087
$2.00 - $2.99 [Member] |  |
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Number of shares, outstanding | 1,197 | 1,197
Number of shares, exercisable | 1,197 | 1,197
$3.00 - $3.99 [Member] |  |
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Number of shares, outstanding | 1,955 | 2,026
Number of shares, exercisable | 1,955 | 2,026
$4.00 - $4.99 [Member] |  |
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Number of shares, outstanding | 1,262 | 1,262
Number of shares, exercisable | 972 | 972
$10.00 - $10.99 [Member] |  |
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Number of shares, outstanding | 1,613 | 1,612
Number of shares, exercisable | 1,080 | 892

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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