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Note 11 - Rhode Island Acquisition - Pro Forma Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Revenues | $ 6,999,000 | $ 5,134,000 | $ 19,271,000 | $ 15,627,000
Operating income | (889,000) | $ 90,000 | (975,000) | $ (137,000)
Southern New England Regional Cancer Center, LLC and Roger Williams Radiation Therapy, LLC [Member] |  |  |  |
Revenues | 2,635,000 |  | 4,527,000 |
Operating income | $ 188,000 |  | 800,000 |
Revenue |  |  | 22,701,000 |
Operating income |  |  | $ 510,000 |
Diluted earnings per share (in dollars per share) |  |  | $ 0.09 |

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