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v3.24.1

Note N - Related Party Transactions (Details Textual) - USD ($) |  |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 06, 2021 | Jul. 10, 2017 | Jul. 31, 2017 | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 02, 2021 | Mar. 01, 2021 | Feb. 25, 2021
Previous President and Chief Executive Officer [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Deferred Compensation |  | $ (100,000) | $ (100,000) |  |  |  |  |
Employment Agreement, Base Compensation |  | 200,000 | 200,000 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) | 5 years |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  |  | $ 200,000 | $ 200,000 |  |  |
Consultant [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Deferred Compensation |  | (100,000) | 100,000 |  |  |  |  |
Employment Agreement, Base Compensation |  | $ 200,000 | $ 200,000 |  |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  |  | 200,000 | 200,000 |  |  |
Interim Chief Executive Officer [Member] |  |  |  |  |  |  |  |
Royalty on Net Sales, Percentage |  |  |  |  |  | 2.50% |  | 5.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | 2,000,000 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) | 5 years |  |  |  |  |  |  |
Managing Director, China Operations [Member] |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  |  | 200,000 | 200,000 |  |  |
Milestone China [Member] | Instruments [Member] |  |  |  |  |  |  |  |
Revenues |  |  |  | 270,000 | 630,000 |  |  |
Director Clinical Affair [Member] |  |  |  |  |  |  |  |
Royalty Expense |  |  |  | 485,000 | 442,000 |  |  |
Professional Fees |  |  |  | 156,000 | 154,000 |  |  |
Royalty on Net Sales, Percentage |  |  |  |  |  | 2.50% | 5.00% |
Director of Clinical Affairs [Member] |  |  |  |  |  |  |  |
Accounts Payable and Accrued Liabilities, Current |  |  |  | 114,000 | 120,000 |  |  |
Interim Chief Executive Officer [Member] |  |  |  |  |  |  |  |
Royalty on Net Sales, Percentage |  |  |  |  |  | 2.50% |  |
Manufacturing Agreement for Handpieces [Member] |  |  |  |  |  |  |  |
Related Party Transaction, Purchases from Related Party |  |  |  | 2,300,000 | 3,400,000 |  |  |
Manufacturing Agreement for Handpieces [Member] | Related Party [Member] | Accounts Payable, Related Parties, Current [Member] |  |  |  |  |  |  |  |
Accounts Payable and Accrued Liabilities |  |  |  | 402,000 | 819,000 |  |  |
Consulting Services [Member] | Related Party [Member] |  |  |  |  |  |  |  |
Costs and Expenses |  |  |  | $ 100,000 | $ 100,000 |  |  |

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