Summary of Significant Accounting Policies (Details - Options outstanding and exercisable) - shares shares in Thousands	Mar. 31, 2025	Dec. 31, 2024
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

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.

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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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