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Related Parties (Details narrative) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Jan. 09, 2023 | Jan. 31, 2024 | Mar. 21, 2023 | Mar. 31, 2024 | Dec. 31, 2023
Common stock shares issued |  |  |  | 7,573,403 | 7,026,627
Business Combination, Description | Mr. Jenkins and his affiliates received 1,325.838 shares of Series X Convertible Preferred Stock in the merger, and Mr. Jenkins’ adult children received 1,284.344 shares of Series X Convertible Preferred Stock in the merger, all in exchange for their equity interests in Old Catheter in accordance with the merger exchange ratio |  |  |  |
Convertible Promissory Notes | $ 25.1 |  |  |  |
Convertible Notes | 7,856,251 |  |  |  |
Interest accrued | $ 13.9 |  |  |  |
Accrued expenses | $ 1.4 |  |  |  |
Options to purchase | 144,169,000 |  |  |  |
Mr. Jenkins [Member] |  |  |  |  |
Common stock shares issued |  |  | 991,828,000 |  |
Accrued expenses | $ 1.1 |  |  |  |
Options to purchase | 144,169,000 |  |  |  |
Number of options | 140,816,000 |  |  |  |
Remaining number of options | 3,353,000 |  |  |  |
Conversion of stock description |  |  | conversion of 991.828 shares of Series X Convertible Preferred Stock, and 235,320 shares of common stock to his adult children upon conversion of 235.320 shares of Series X Convertible Preferred S |  |
Exercise price | $ 0.59 |  |  |  |
Remaining number of options exercise price | $ 2.02 |  |  |  |
Margrit Thomassen [Member] |  |  |  |  |
Received options to purchase common stock |  | 25,000 |  | 16,764 |
Option exercise price |  | $ 0.40 |  | $ 0.59 |
Vested percentage |  | 20.00% |  |  |
Vested period |  | 5 years |  |  |

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