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Commitments and Contingencies (Details Narrative) | Jun. 16, 2023 USD ($) | Jan. 25, 2021 EUR (€) | Apr. 30, 2022 USD ($) | Apr. 30, 2022 EUR (€)
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Operating Loss Carryforwards [Line Items] |  |  |  |
Description of litigation and allegations and claim | on April 24, 2024, Paragon made the following “non-dilutive $3MM preferred stock” offer to the Company: “...The preferred would have the option to be convertible to common stock, at $0.05 a share, or 25% of the 30-day average trading price, whichever is higher...”. After the Board correctly rejected the $3MM preferred stock offer, on June 7, 2024, Paragon issued a press release that proclaimed its offer was non-dilutive. In fact, Paragon’s offer was highly dilutive because the offer stipulated that the proposed OPT preferred stock to be issued to Paragon would be convertible to OPT common stock at a 75% discount to the fair market value of the common stock. The Paragon offer thus essentially amounted to a change in control of the Company at 25% of its fair market value. |  |  |
Legal fees and costs | $ | $ 3,900,000 |  |  |
Tax Authority, Spain [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Income tax penalties |  |  | $ 331,000 | € 279,870
Payment of tax on damages | € |  | € 279,870 |  |

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