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STOCKHOLDERS' EQUITY (Details - Stock-based compensation) - USD ($) | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Equity [Abstract] |  |
Cash from employee withholdings used to purchase ESPP shares | $ 114,724 | $ 87,348
Stock based compensation expense | 65,114 | 40,589
Total charges related to the Employee Stock Purchase Plan | $ 179,838 | $ 127,937

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