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Note 11 - Rhode Island Acquisition - Pro Forma Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenues | $ 7,056,000 | $ 5,568,000 | $ 12,272,000 | $ 10,493,000
Operating income | (1,000) | (325,000) | (86,000) | (227,000)
Revenue | 7,056,000 | 5,568,000 | 12,272,000 | 10,493,000
Operating income | $ (1,000) | $ (325,000) | $ (86,000) | $ (227,000)
Diluted earnings per share (in dollars per share) | $ 0.55 | $ (0.02) | $ 0.57 | $ 0.01
Southern New England Regional Cancer Center, LLC and Roger Williams Radiation Therapy, LLC [Member] |  |  |  |
Revenues | $ 1,892,000 |  | $ 13,396,000 |
Operating income | 612,000 |  | 1,045,000 |
Revenue | 1,892,000 |  | 13,396,000 |
Operating income | $ 612,000 |  | $ 1,045,000 |
Diluted earnings per share (in dollars per share) |  |  | $ 0.21 |

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