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Note 7 - Stockholders' Equity - Schedule of Preferred Stock Activity (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 22, 2025
Proceeds from the sale of Series G preferred stock |  | $ 2,250,000 | $ 0 |  |  |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  | 2,250,000 | 0 |  |  |  |  |
November 10, 2025 |  | $ 2,250,000 | $ 0 |  |  |  |  |
Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | (2,759) | (2,410) |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 2,759 | 2,410 |  |  |  |  |
November 10, 2025 (in shares) |  | (2,759) | (2,410) |  |  |  |  |
Conversions of Series G Preferred Stock Into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | (7,940) | 0 |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 7,940 | 0 |  |  |  |  |
November 10, 2025 (in shares) |  | (7,940) | 0 |  |  |  |  |
Purchased in 2023 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | 0 | 0 |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | (0) | (0) |  |  |  |  |
November 10, 2025 (in shares) |  | 0 | 0 |  |  |  |  |
Purchased in November 10, 2025 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | (6,190) |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 6,190 |  |  |  |  |  |
November 10, 2025 (in shares) |  | (6,190) |  |  |  |  |  |
Purchased March 6, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | 0 | (335) |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | (0) | 335 |  |  |  |  |
November 10, 2025 (in shares) |  | 0 | (335) |  |  |  |  |
Purchased July 24, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) | [1] | (1,000) |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] | 1,000 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | (1,000) |  |  |  |  |  |
Purchased August 27, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) | [1] |  | 0 |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] |  | (0) |  |  |  |  |
November 10, 2025 (in shares) | [1] |  | 0 |  |  |  |  |
Purchased October 6, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) | [1] | (640) |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] | 640 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | (640) |  |  |  |  |  |
Purchased October 1, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) | [1] |  | 0 |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] |  | (0) |  |  |  |  |
November 10, 2025 (in shares) | [1] |  | 0 |  |  |  |  |
Purchased November 24, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) | [1] | (197) |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] | 197 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | (197) |  |  |  |  |  |
Purchased December 18, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) | [1],[2] |  | 0 |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | [1],[2] |  | (0) |  |  |  |  |
November 10, 2025 (in shares) | [1],[2] |  | 0 |  |  |  |  |
Series F Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 500 |  |  |  |  |  |
Convertible price (in dollars per share) |  |  |  |  |  |  |  | $ 0.9615
Preferred stock, outstanding (in shares) |  | 1,863 |  |  | 4,122 |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 500 |  |  |  |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  |  |  |  |  |  |  | 0.9615
Preferred Stock, Shares Outstanding (in shares) |  | 1,863 |  |  | 4,122 |  |  |
November 10, 2025 (in shares) |  | 500 |  |  |  |  |  |
November 10, 2025 (in dollars per share) |  |  |  |  |  |  |  | $ 0.9615
November 10, 2025 (in shares) |  | 1,863 |  |  | 4,122 |  |  |
Series F Convertible Preferred Stock [Member] | Purchased in 2023 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 0 | 0 |  | 1,850 | 1,850 |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 1,850,000 | $ 1,850,000 |  |
Net proceeds |  |  |  |  | $ 1,850,000 | $ 1,850,000 |  |
Convertible price (in dollars per share) |  | $ 0.8294 | $ 1.1 |  | $ 124.7 | $ 124.7 |  |
Preferred stock, outstanding (in shares) |  | 150 | 150 |  | 150 | 150 |  |
Issuable (in shares) |  | 180,854 | 136,364 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 0 | 0 |  | 1,850 | 1,850 |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 1,850,000 | $ 1,850,000 |  |
November 15, 2023 |  |  |  |  | $ 1,850,000 | $ 1,850,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 0.8294 | $ 1.1 |  | $ 124.7 | $ 124.7 |  |
Preferred Stock, Shares Outstanding (in shares) |  | 150 | 150 |  | 150 | 150 |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 180,854 | 136,364 |  |  |  |  |
November 10, 2025 (in shares) |  | 0 | 0 |  | 1,850 | 1,850 |  |
November 10, 2025 |  |  |  |  | $ 1,850,000 | $ 1,850,000 |  |
November 10, 2025 |  |  |  |  | $ 1,850,000 | $ 1,850,000 |  |
November 10, 2025 (in dollars per share) |  | $ 0.8294 | $ 1.1 |  | $ 124.7 | $ 124.7 |  |
November 10, 2025 (in shares) |  | 150 | 150 |  | 150 | 150 |  |
November 10, 2025 (in shares) |  | 180,854 | 136,364 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased March 6, 2024 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 0 | 0 |  | 1,000 | 1,000 |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 1,000,000 | $ 1,000,000 |  |
Net proceeds |  |  |  |  | $ 950,000 | $ 950,000 |  |
Convertible price (in dollars per share) |  | $ 0.8294 | $ 1.1 |  | $ 60.29 | $ 60.29 |  |
Preferred stock, outstanding (in shares) |  | 100 | 100 |  | 100 | 435 |  |
Issuable (in shares) |  | 120,569 | 90,909 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 0 | 0 |  | 1,000 | 1,000 |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 1,000,000 | $ 1,000,000 |  |
November 15, 2023 |  |  |  |  | $ 950,000 | $ 950,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 0.8294 | $ 1.1 |  | $ 60.29 | $ 60.29 |  |
Preferred Stock, Shares Outstanding (in shares) |  | 100 | 100 |  | 100 | 435 |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 120,569 | 90,909 |  |  |  |  |
November 10, 2025 (in shares) |  | 0 | 0 |  | 1,000 | 1,000 |  |
November 10, 2025 |  |  |  |  | $ 1,000,000 | $ 1,000,000 |  |
November 10, 2025 |  |  |  |  | $ 950,000 | $ 950,000 |  |
November 10, 2025 (in dollars per share) |  | $ 0.8294 | $ 1.1 |  | $ 60.29 | $ 60.29 |  |
November 10, 2025 (in shares) |  | 100 | 100 |  | 100 | 435 |  |
November 10, 2025 (in shares) |  | 120,569 | 90,909 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased May 31, 2024 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 0 | 0 | [1] | 1,050 | 1,050 | [1] |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 1,050,000 | $ 1,050,000 | [1] |
Net proceeds |  |  |  |  | $ 1,025,000 | $ 1,025,000 | [1] |
Convertible price (in dollars per share) |  | $ 0.8294 | $ 1.1 | [1] | $ 32.15 | $ 32.15 | [1] |
Preferred stock, outstanding (in shares) |  | 135 | 525 | [1] | 135 | 1,050 | [1] |
Converted (in shares) |  | 0 | (525) | [1] |  |  |  |
Issuable (in shares) |  | 162,768 | 477,273 | [1] |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 0 | 0 | [1] | 1,050 | 1,050 | [1] |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 1,050,000 | $ 1,050,000 | [1] |
November 15, 2023 |  |  |  |  | $ 1,025,000 | $ 1,025,000 | [1] |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 0.8294 | $ 1.1 | [1] | $ 32.15 | $ 32.15 | [1] |
Preferred Stock, Shares Outstanding (in shares) |  | 135 | 525 | [1] | 135 | 1,050 | [1] |
Conversion of Stock, Shares Converted (in shares) |  | (0) | 525 | [1] |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 162,768 | 477,273 | [1] |  |  |  |
November 10, 2025 (in shares) |  | 0 | 0 | [1] | 1,050 | 1,050 | [1] |
November 10, 2025 |  |  |  |  | $ 1,050,000 | $ 1,050,000 | [1] |
November 10, 2025 |  |  |  |  | $ 1,025,000 | $ 1,025,000 | [1] |
November 10, 2025 (in dollars per share) |  | $ 0.8294 | $ 1.1 | [1] | $ 32.15 | $ 32.15 | [1] |
November 10, 2025 (in shares) |  | 135 | 525 | [1] | 135 | 1,050 | [1] |
November 10, 2025 (in shares) |  | 0 | (525) | [1] |  |  |  |
November 10, 2025 (in shares) |  | 162,768 | 477,273 | [1] |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased April 12, 2024 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  | 0 |  |  | 1,050 |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  |  | $ 1,050,000 |  |
Net proceeds |  |  |  |  |  | $ 1,050,000 |  |
Convertible price (in dollars per share) |  |  | $ 1.1 |  |  | $ 37 |  |
Preferred stock, outstanding (in shares) |  |  | 0 |  |  | 1,050 |  |
Converted (in shares) |  |  | (1,050) |  |  |  |  |
Issuable (in shares) |  |  | 0 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 0 |  |  | 1,050 |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  |  | $ 1,050,000 |  |
November 15, 2023 |  |  |  |  |  | $ 1,050,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  |  | $ 1.1 |  |  | $ 37 |  |
Preferred Stock, Shares Outstanding (in shares) |  |  | 0 |  |  | 1,050 |  |
Conversion of Stock, Shares Converted (in shares) |  |  | 1,050 |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  |  | 0 |  |  |  |  |
November 10, 2025 (in shares) |  |  | 0 |  |  | 1,050 |  |
November 10, 2025 |  |  |  |  |  | $ 1,050,000 |  |
November 10, 2025 |  |  |  |  |  | $ 1,050,000 |  |
November 10, 2025 (in dollars per share) |  |  | $ 1.1 |  |  | $ 37 |  |
November 10, 2025 (in shares) |  |  | 0 |  |  | 1,050 |  |
November 10, 2025 (in shares) |  |  | (1,050) |  |  |  |  |
November 10, 2025 (in shares) |  |  | 0 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased July 18, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  | $ 1,000,000 |  |  |
Net proceeds | [1] |  |  |  | $ 1,000,000 |  |  |
Convertible price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.4 |  |  |
Preferred stock, outstanding (in shares) | [1] | 0 |  |  | 422 |  |  |
Converted (in shares) | [1] | (422) |  |  |  |  |  |
Issuable (in shares) | [1] | 0 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  | $ 1,000,000 |  |  |
November 15, 2023 | [1] |  |  |  | $ 1,000,000 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.4 |  |  |
Preferred Stock, Shares Outstanding (in shares) | [1] | 0 |  |  | 422 |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] | 422 |  |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] | 0 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 1,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 1,000,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 1,000,000 |  |  |
November 10, 2025 (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.4 |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 422 |  |  |
November 10, 2025 (in shares) | [1] | (422) |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased July 21, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] | 0 |  |  | 500 |  |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  | $ 500,000 |  |  |
Net proceeds | [1] |  |  |  | $ 500,000 |  |  |
Convertible price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.4 |  |  |
Preferred stock, outstanding (in shares) | [1] | 0 |  |  | 500 |  |  |
Converted (in shares) | [1] | (500) |  |  |  |  |  |
Issuable (in shares) | [1] | 0 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] | 0 |  |  | 500 |  |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  | $ 500,000 |  |  |
November 15, 2023 | [1] |  |  |  | $ 500,000 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.4 |  |  |
Preferred Stock, Shares Outstanding (in shares) | [1] | 0 |  |  | 500 |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] | 500 |  |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] | 0 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 500 |  |  |
November 10, 2025 | [1] |  |  |  | $ 500,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 500,000 |  |  |
November 10, 2025 (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.4 |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 500 |  |  |
November 10, 2025 (in shares) | [1] | (500) |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased July 25, 2024 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] |  | 0 |  |  | 500 |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  |  | $ 500,000 |  |
Net proceeds | [1] |  |  |  |  | $ 500,000 |  |
Convertible price (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 23.15 |  |
Preferred stock, outstanding (in shares) | [1] |  | 0 |  |  | 500 |  |
Converted (in shares) | [1] |  | (500) |  |  |  |  |
Issuable (in shares) | [1] |  | 0 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] |  | 0 |  |  | 500 |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  |  | $ 500,000 |  |
November 15, 2023 | [1] |  |  |  |  | $ 500,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 23.15 |  |
Preferred Stock, Shares Outstanding (in shares) | [1] |  | 0 |  |  | 500 |  |
Conversion of Stock, Shares Converted (in shares) | [1] |  | 500 |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] |  | 0 |  |  |  |  |
November 10, 2025 (in shares) | [1] |  | 0 |  |  | 500 |  |
November 10, 2025 | [1] |  |  |  |  | $ 500,000 |  |
November 10, 2025 | [1] |  |  |  |  | $ 500,000 |  |
November 10, 2025 (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 23.15 |  |
November 10, 2025 (in shares) | [1] |  | 0 |  |  | 500 |  |
November 10, 2025 (in shares) | [1] |  | (500) |  |  |  |  |
November 10, 2025 (in shares) | [1] |  | 0 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased July 24, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  | $ 1,000,000 |  |  |
Net proceeds | [1] |  |  |  | $ 1,000,000 |  |  |
Convertible price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 2.19 |  |  |
Preferred stock, outstanding (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Issuable (in shares) | [1] | 0 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  | $ 1,000,000 |  |  |
November 15, 2023 | [1] |  |  |  | $ 1,000,000 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 2.19 |  |  |
Preferred Stock, Shares Outstanding (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] | 0 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 1,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 1,000,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 1,000,000 |  |  |
November 10, 2025 (in dollars per share) | [1] | $ 0.8526 |  |  | $ 2.19 |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 1,000 |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased August 27, 2024 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] |  | 0 |  |  | 500 |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  |  | $ 500,000 |  |
Net proceeds | [1] |  |  |  |  | $ 500,000 |  |
Convertible price (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 20.19 |  |
Preferred stock, outstanding (in shares) | [1] |  | 500 |  |  | 500 |  |
Issuable (in shares) | [1] |  | 454,545 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] |  | 0 |  |  | 500 |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  |  | $ 500,000 |  |
November 15, 2023 | [1] |  |  |  |  | $ 500,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 20.19 |  |
Preferred Stock, Shares Outstanding (in shares) | [1] |  | 500 |  |  | 500 |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] |  | 454,545 |  |  |  |  |
November 10, 2025 (in shares) | [1] |  | 0 |  |  | 500 |  |
November 10, 2025 | [1] |  |  |  |  | $ 500,000 |  |
November 10, 2025 | [1] |  |  |  |  | $ 500,000 |  |
November 10, 2025 (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 20.19 |  |
November 10, 2025 (in shares) | [1] |  | 500 |  |  | 500 |  |
November 10, 2025 (in shares) | [1] |  | 454,545 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased October 6, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  | $ 1,000,000 |  |  |
Net proceeds | [1] |  |  |  | $ 1,000,000 |  |  |
Convertible price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 2.3427 |  |  |
Preferred stock, outstanding (in shares) | [1] | 175 |  |  | 815 |  |  |
Issuable (in shares) | [1] | 205,255 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] | 0 |  |  | 1,000 |  |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  | $ 1,000,000 |  |  |
November 15, 2023 | [1] |  |  |  | $ 1,000,000 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 2.3427 |  |  |
Preferred Stock, Shares Outstanding (in shares) | [1] | 175 |  |  | 815 |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] | 205,255 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 1,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 1,000,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 1,000,000 |  |  |
November 10, 2025 (in dollars per share) | [1] | $ 0.8526 |  |  | $ 2.3427 |  |  |
November 10, 2025 (in shares) | [1] | 175 |  |  | 815 |  |  |
November 10, 2025 (in shares) | [1] | 205,255 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased October 1, 2024 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] |  | 0 |  |  | 1,500 |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  |  | $ 0 |  |
Net proceeds | [1] |  |  |  |  | $ 0 |  |
Convertible price (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 12 |  |
Preferred stock, outstanding (in shares) | [1] |  | 1,500 |  |  | 1,500 |  |
Issuable (in shares) | [1] |  | 1,363,636 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] |  | 0 |  |  | 1,500 |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  |  | $ 0 |  |
November 15, 2023 | [1] |  |  |  |  | $ 0 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 12 |  |
Preferred Stock, Shares Outstanding (in shares) | [1] |  | 1,500 |  |  | 1,500 |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] |  | 1,363,636 |  |  |  |  |
November 10, 2025 (in shares) | [1] |  | 0 |  |  | 1,500 |  |
November 10, 2025 | [1] |  |  |  |  | $ 0 |  |
November 10, 2025 | [1] |  |  |  |  | $ 0 |  |
November 10, 2025 (in dollars per share) | [1] |  | $ 1.1 |  |  | $ 12 |  |
November 10, 2025 (in shares) | [1] |  | 1,500 |  |  | 1,500 |  |
November 10, 2025 (in shares) | [1] |  | 1,363,636 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased November 24, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] | 0 |  |  | 500 |  |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  | $ 500,000 |  |  |
Net proceeds | [1] |  |  |  | $ 500,000 |  |  |
Convertible price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.1347 |  |  |
Preferred stock, outstanding (in shares) | [1] | 303 |  |  | 500 |  |  |
Issuable (in shares) | [1] | 355,384 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] | 0 |  |  | 500 |  |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  | $ 500,000 |  |  |
November 15, 2023 | [1] |  |  |  | $ 500,000 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.1347 |  |  |
Preferred Stock, Shares Outstanding (in shares) | [1] | 303 |  |  | 500 |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] | 355,384 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 500 |  |  |
November 10, 2025 | [1] |  |  |  | $ 500,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 500,000 |  |  |
November 10, 2025 (in dollars per share) | [1] | $ 0.8526 |  |  | $ 1.1347 |  |  |
November 10, 2025 (in shares) | [1] | 303 |  |  | 500 |  |  |
November 10, 2025 (in shares) | [1] | 355,384 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased December 18, 2024 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1],[2] |  | 0 |  |  | 750 |  |
Proceeds from the sale of Series G preferred stock | [1],[2] |  |  |  |  | $ 750,000 |  |
Net proceeds | [1],[2] |  |  |  |  | $ 750,000 |  |
Convertible price (in dollars per share) | [1],[2] |  | $ 1.2036 |  |  | $ 5.25 |  |
Preferred stock, outstanding (in shares) | [1],[2] |  | 750 |  |  | 750 |  |
Issuable (in shares) | [1],[2] |  | 623,131 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1],[2] |  | 0 |  |  | 750 |  |
Proceeds from Issuance of Convertible Preferred Stock | [1],[2] |  |  |  |  | $ 750,000 |  |
November 15, 2023 | [1],[2] |  |  |  |  | $ 750,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1],[2] |  | $ 1.2036 |  |  | $ 5.25 |  |
Preferred Stock, Shares Outstanding (in shares) | [1],[2] |  | 750 |  |  | 750 |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1],[2] |  | 623,131 |  |  |  |  |
November 10, 2025 (in shares) | [1],[2] |  | 0 |  |  | 750 |  |
November 10, 2025 | [1],[2] |  |  |  |  | $ 750,000 |  |
November 10, 2025 | [1],[2] |  |  |  |  | $ 750,000 |  |
November 10, 2025 (in dollars per share) | [1],[2] |  | $ 1.2036 |  |  | $ 5.25 |  |
November 10, 2025 (in shares) | [1],[2] |  | 750 |  |  | 750 |  |
November 10, 2025 (in shares) | [1],[2] |  | 623,131 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased December 22, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [1] | 0 |  |  | 500 |  |  |
Proceeds from the sale of Series G preferred stock | [1] |  |  |  | $ 500,000 |  |  |
Net proceeds | [1] |  |  |  | $ 500,000 |  |  |
Convertible price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 0.9615 |  |  |
Preferred stock, outstanding (in shares) | [1] | 500 |  |  | 500 |  |  |
Converted (in shares) | [1] | 0 |  |  |  |  |  |
Issuable (in shares) | [1] | 586,441 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [1] | 0 |  |  | 500 |  |  |
Proceeds from Issuance of Convertible Preferred Stock | [1] |  |  |  | $ 500,000 |  |  |
November 15, 2023 | [1] |  |  |  | $ 500,000 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [1] | $ 0.8526 |  |  | $ 0.9615 |  |  |
Preferred Stock, Shares Outstanding (in shares) | [1] | 500 |  |  | 500 |  |  |
Conversion of Stock, Shares Converted (in shares) | [1] | (0) |  |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [1] | 586,441 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  | 500 |  |  |
November 10, 2025 | [1] |  |  |  | $ 500,000 |  |  |
November 10, 2025 | [1] |  |  |  | $ 500,000 |  |  |
November 10, 2025 (in dollars per share) | [1] | $ 0.8526 |  |  | $ 0.9615 |  |  |
November 10, 2025 (in shares) | [1] | 500 |  |  | 500 |  |  |
November 10, 2025 (in shares) | [1] | 0 |  |  |  |  |  |
November 10, 2025 (in shares) | [1] | 586,441 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased February 7, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) | [2] |  | 1,000 |  |  | 1,000 |  |
Proceeds from the sale of Series G preferred stock | [2] |  |  |  |  | $ 1,000,000 |  |
Net proceeds | [2] |  |  |  |  | $ 1,000,000 |  |
Convertible price (in dollars per share) | [2] |  | $ 1.2036 |  |  | $ 2.22 |  |
Preferred stock, outstanding (in shares) | [2] |  | 1,000 |  |  | 0 |  |
Converted (in shares) | [2] |  | 0 |  |  |  |  |
Issuable (in shares) | [2] |  | 830,841 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | [2] |  | 1,000 |  |  | 1,000 |  |
Proceeds from Issuance of Convertible Preferred Stock | [2] |  |  |  |  | $ 1,000,000 |  |
November 15, 2023 | [2] |  |  |  |  | $ 1,000,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | [2] |  | $ 1.2036 |  |  | $ 2.22 |  |
Preferred Stock, Shares Outstanding (in shares) | [2] |  | 1,000 |  |  | 0 |  |
Conversion of Stock, Shares Converted (in shares) | [2] |  | (0) |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) | [2] |  | 830,841 |  |  |  |  |
November 10, 2025 (in shares) | [2] |  | 1,000 |  |  | 1,000 |  |
November 10, 2025 | [2] |  |  |  |  | $ 1,000,000 |  |
November 10, 2025 | [2] |  |  |  |  | $ 1,000,000 |  |
November 10, 2025 (in dollars per share) | [2] |  | $ 1.2036 |  |  | $ 2.22 |  |
November 10, 2025 (in shares) | [2] |  | 1,000 |  |  | 0 |  |
November 10, 2025 (in shares) | [2] |  | 0 |  |  |  |  |
November 10, 2025 (in shares) | [2] |  | 830,841 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased January 2, 2026 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 500 |  |  | 500 |  |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 500,000 |  |  |
Net proceeds |  |  |  |  | $ 500,000 |  |  |
Convertible price (in dollars per share) |  | $ 0.8526 |  |  | $ 0.8526 |  |  |
Preferred stock, outstanding (in shares) |  | 500 |  |  | 0 |  |  |
Converted (in shares) |  | 0 |  |  |  |  |  |
Issuable (in shares) |  | 586,441 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 500 |  |  | 500 |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 500,000 |  |  |
November 15, 2023 |  |  |  |  | $ 500,000 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 0.8526 |  |  | $ 0.8526 |  |  |
Preferred Stock, Shares Outstanding (in shares) |  | 500 |  |  | 0 |  |  |
Conversion of Stock, Shares Converted (in shares) |  | (0) |  |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 586,441 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 500 |  |  | 500 |  |  |
November 10, 2025 |  |  |  |  | $ 500,000 |  |  |
November 10, 2025 |  |  |  |  | $ 500,000 |  |  |
November 10, 2025 (in dollars per share) |  | $ 0.8526 |  |  | $ 0.8526 |  |  |
November 10, 2025 (in shares) |  | 500 |  |  | 0 |  |  |
November 10, 2025 (in shares) |  | 0 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 586,441 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased March 17, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  | 500 |  |  | 500 |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  |  | $ 500,000 |  |
Net proceeds |  |  |  |  |  | $ 500,000 |  |
Convertible price (in dollars per share) |  |  | $ 1.2036 |  |  | $ 1.2 |  |
Preferred stock, outstanding (in shares) |  |  | 500 |  |  | 0 |  |
Converted (in shares) |  |  | 0 |  |  |  |  |
Issuable (in shares) |  |  | 415,420 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 500 |  |  | 500 |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  |  | $ 500,000 |  |
November 15, 2023 |  |  |  |  |  | $ 500,000 |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  |  | $ 1.2036 |  |  | $ 1.2 |  |
Preferred Stock, Shares Outstanding (in shares) |  |  | 500 |  |  | 0 |  |
Conversion of Stock, Shares Converted (in shares) |  |  | (0) |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  |  | 415,420 |  |  |  |  |
November 10, 2025 (in shares) |  |  | 500 |  |  | 500 |  |
November 10, 2025 |  |  |  |  |  | $ 500,000 |  |
November 10, 2025 |  |  |  |  |  | $ 500,000 |  |
November 10, 2025 (in dollars per share) |  |  | $ 1.2036 |  |  | $ 1.2 |  |
November 10, 2025 (in shares) |  |  | 500 |  |  | 0 |  |
November 10, 2025 (in shares) |  |  | 0 |  |  |  |  |
November 10, 2025 (in shares) |  |  | 415,420 |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased in 2023, 2024, 2025, and 2026 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 500 |  |  | 8,900 |  |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 8,900,000 |  |  |
Net proceeds |  |  |  |  | $ 8,825,000 |  |  |
Preferred stock, outstanding (in shares) |  | 1,863 |  |  | 4,122 |  |  |
Converted (in shares) |  | (2,759) |  |  |  |  |  |
Issuable (in shares) |  | 2,197,712 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 500 |  |  | 8,900 |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 8,900,000 |  |  |
November 15, 2023 |  |  |  |  | $ 8,825,000 |  |  |
Preferred Stock, Shares Outstanding (in shares) |  | 1,863 |  |  | 4,122 |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 2,759 |  |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 2,197,712 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 500 |  |  | 8,900 |  |  |
November 10, 2025 |  |  |  |  | $ 8,900,000 |  |  |
November 10, 2025 |  |  |  |  | $ 8,825,000 |  |  |
November 10, 2025 (in shares) |  | 1,863 |  |  | 4,122 |  |  |
November 10, 2025 (in shares) |  | (2,759) |  |  |  |  |  |
November 10, 2025 (in shares) |  | 2,197,712 |  |  |  |  |  |
Series F Convertible Preferred Stock [Member] | Purchased in 2023, 2024, and 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  | 1,500 |  |  | 9,700 |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  |  | $ 8,200,000 |  |
Net proceeds |  |  |  |  |  | $ 8,125,000 |  |
Preferred stock, outstanding (in shares) |  |  | 5,025 |  |  | 5,935 |  |
Converted (in shares) |  |  | (2,410) |  |  |  |  |
Issuable (in shares) |  |  | 4,392,119 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 1,500 |  |  | 9,700 |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  |  | $ 8,200,000 |  |
November 15, 2023 |  |  |  |  |  | $ 8,125,000 |  |
Preferred Stock, Shares Outstanding (in shares) |  |  | 5,025 |  |  | 5,935 |  |
Conversion of Stock, Shares Converted (in shares) |  |  | 2,410 |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  |  | 4,392,119 |  |  |  |  |
November 10, 2025 (in shares) |  |  | 1,500 |  |  | 9,700 |  |
November 10, 2025 |  |  |  |  |  | $ 8,200,000 |  |
November 10, 2025 |  |  |  |  |  | $ 8,125,000 |  |
November 10, 2025 (in shares) |  |  | 5,025 |  |  | 5,935 |  |
November 10, 2025 (in shares) |  |  | (2,410) |  |  |  |  |
November 10, 2025 (in shares) |  |  | 4,392,119 |  |  |  |  |
Series G Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 85,250 |  |  |  |  |  |
Preferred stock, outstanding (in shares) |  | 500 |  |  | 6,190 |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 85,250 |  |  |  |  |  |
Preferred Stock, Shares Outstanding (in shares) |  | 500 |  |  | 6,190 |  |  |
November 10, 2025 (in shares) |  | 85,250 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 500 |  |  | 6,190 |  |  |
Series G Convertible Preferred Stock [Member] | Purchased in November 10, 2025 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 0 |  |  | 12,000 |  |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 12,000,000 |  |  |
Net proceeds |  |  |  |  | $ 0 |  |  |
Convertible price (in dollars per share) |  | $ 0.9615 |  |  | $ 1.23 |  |  |
Preferred stock, outstanding (in shares) |  | 0 |  |  | 6,190 |  |  |
Issuable (in shares) |  | 0 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 0 |  |  | 12,000 |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 12,000,000 |  |  |
November 15, 2023 |  |  |  |  | $ 0 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 0.9615 |  |  | $ 1.23 |  |  |
Preferred Stock, Shares Outstanding (in shares) |  | 0 |  |  | 6,190 |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 0 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 0 |  |  | 12,000 |  |  |
November 10, 2025 |  |  |  |  | $ 12,000,000 |  |  |
November 10, 2025 |  |  |  |  | $ 0 |  |  |
November 10, 2025 (in dollars per share) |  | $ 0.9615 |  |  | $ 1.23 |  |  |
November 10, 2025 (in shares) |  | 0 |  |  | 6,190 |  |  |
November 10, 2025 (in shares) |  | 0 |  |  |  |  |  |
Series G Convertible Preferred Stock [Member] | Purchased in March 4, 2026 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 250 |  |  | 250 |  |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 250,000 |  |  |
Net proceeds |  |  |  |  | $ 0 |  |  |
Convertible price (in dollars per share) |  | $ 1 |  |  | $ 1 |  |  |
Preferred stock, outstanding (in shares) |  | 0 |  |  | 0 |  |  |
Issuable (in shares) |  | 0 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 250 |  |  | 250 |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 250,000 |  |  |
November 15, 2023 |  |  |  |  | $ 0 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 1 |  |  | $ 1 |  |  |
Preferred Stock, Shares Outstanding (in shares) |  | 0 |  |  | 0 |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 0 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 250 |  |  | 250 |  |  |
November 10, 2025 |  |  |  |  | $ 250,000 |  |  |
November 10, 2025 |  |  |  |  | $ 0 |  |  |
November 10, 2025 (in dollars per share) |  | $ 1 |  |  | $ 1 |  |  |
November 10, 2025 (in shares) |  | 0 |  |  | 0 |  |  |
November 10, 2025 (in shares) |  | 0 |  |  |  |  |  |
Series G Convertible Preferred Stock [Member] | Purchased in March 4, 2026 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | (250) |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 250 |  |  |  |  |  |
November 10, 2025 (in shares) |  | (250) |  |  |  |  |  |
Series G Convertible Preferred Stock [Member] | Purchased in March 5, 2026 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 2,000 |  |  | 2,000 |  |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 2,000,000 |  |  |
Net proceeds |  |  |  |  | $ 0 |  |  |
Convertible price (in dollars per share) |  | $ 1 |  |  | $ 1 |  |  |
Preferred stock, outstanding (in shares) |  | 500 |  |  | 0 |  |  |
Issuable (in shares) |  | 500,000 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 2,000 |  |  | 2,000 |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 2,000,000 |  |  |
November 15, 2023 |  |  |  |  | $ 0 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 1 |  |  | $ 1 |  |  |
Preferred Stock, Shares Outstanding (in shares) |  | 500 |  |  | 0 |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 500,000 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 2,000 |  |  | 2,000 |  |  |
November 10, 2025 |  |  |  |  | $ 2,000,000 |  |  |
November 10, 2025 |  |  |  |  | $ 0 |  |  |
November 10, 2025 (in dollars per share) |  | $ 1 |  |  | $ 1 |  |  |
November 10, 2025 (in shares) |  | 500 |  |  | 0 |  |  |
November 10, 2025 (in shares) |  | 500,000 |  |  |  |  |  |
Series G Convertible Preferred Stock [Member] | Purchased in March 5, 2026 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | (1,500) |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 1,500 |  |  |  |  |  |
November 10, 2025 (in shares) |  | (1,500) |  |  |  |  |  |
Series G Convertible Preferred Stock [Member] | Purchased in 2025 and 2026 [Member] |  |  |  |  |  |  |  |
Shares issued (in shares) |  | 2,250 |  |  | 14,250 |  |  |
Proceeds from the sale of Series G preferred stock |  |  |  |  | $ 14,250,000 |  |  |
Net proceeds |  |  |  |  | $ 0 |  |  |
Convertible price (in dollars per share) |  | $ 0 |  |  | $ 0 |  |  |
Preferred stock, outstanding (in shares) |  | 500 |  |  | 6,190 |  |  |
Issuable (in shares) |  | 500,000 |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 2,250 |  |  | 14,250 |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  | $ 14,250,000 |  |  |
November 15, 2023 |  |  |  |  | $ 0 |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) |  | $ 0 |  |  | $ 0 |  |  |
Preferred Stock, Shares Outstanding (in shares) |  | 500 |  |  | 6,190 |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  | 500,000 |  |  |  |  |  |
November 10, 2025 (in shares) |  | 2,250 |  |  | 14,250 |  |  |
November 10, 2025 |  |  |  |  | $ 14,250,000 |  |  |
November 10, 2025 |  |  |  |  | $ 0 |  |  |
November 10, 2025 (in dollars per share) |  | $ 0 |  |  | $ 0 |  |  |
November 10, 2025 (in shares) |  | 500 |  |  | 6,190 |  |  |
November 10, 2025 (in shares) |  | 500,000 |  |  |  |  |  |
Series G Convertible Preferred Stock [Member] | Purchased in 2025 and 2026 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member] |  |  |  |  |  |  |  |
Converted (in shares) |  | (7,940) |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  | 7,940 |  |  |  |  |  |
November 10, 2025 (in shares) |  | (7,940) |  |  |  |  |  |
[1] | These shares were issued as consideration for executing the Omnibus Agreement in connection with the October 2024 Offering.
[2] | Reflects the conversion price after the March 2025 Down Round Trigger that was triggered with the Sale of Series F on March 17, 2025.

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