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Note H - Stockholders' Equity (Details Textual) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 10, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Proceeds from Issuance of Common Stock |  | $ 2,570,101 | $ 0 |
Repurchase of Noncontrolling Interest |  | $ (214,000) |  |
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance (in shares) |  | 3,098,917 | 2,440,673 | 2,066,343
Chief Executive Officer, Chief Financial Officer and Employees [Member] |  |  |  |
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance (in shares) |  | 2,571,292 | 2,057,976 |
Non-Employees [Member] |  |  |  |
Common Stock, Capital Shares Reserved for Future Issuance (in shares) |  | 527,625 | 382,697 |
Additional Paid-in Capital [Member] |  |  |  |
Repurchase of Noncontrolling Interest |  | $ (485,119) |  |
Milestone Medical Inc. [Member] |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $ 214,000 |  |  |
Milestone Medical Inc. [Member] | Additional Paid-in Capital [Member] |  |  |  |
Repurchase of Noncontrolling Interest |  | $ 485,000 |  |
Public Offering [Member] |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 4,765,000 |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ 0.63 |  |  |
Proceeds from Issuance of Common Stock | $ 2.6 |  |  |
Over-Allotment Option [Member] |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 714,750 |  |  |

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