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Note 1 - Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing |  | $ | 3,137,000 |  |  | $ | 3,312,000 |  |  | $ | 9,699,000 |  |  | $ | 11,464,000 |
Direct patient services |  |  | 4,034,000 |  |  |  | 3,687,000 |  |  |  | 10,655,000 |  |  |  | 7,807,000 |
Total |  | $ | 7,171,000 |  |  | $ | 6,999,000 |  |  | $ | 20,354,000 |  |  | $ | 19,271,000 |
Segment, Reconciliation of Other Items from Segments to Consolidated [Table Text Block] |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Depreciation, amortization, and other expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing |  | $ | 876,000 |  |  | $ | 1,101,000 |  |  | $ | 2,735,000 |  |  | $ | 3,412,000 |
Direct patient services |  |  | 578,000 |  |  |  | 543,000 |  |  |  | 1,676,000 |  |  |  | 1,089,000 |
Total |  | $ | 1,454,000 |  |  | $ | 1,644,000 |  |  | $ | 4,411,000 |  |  | $ | 4,501,000 |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing |  | $ | 370,000 |  |  | $ | 304,000 |  |  | $ | 1,173,000 |  |  | $ | 972,000 |
Direct patient services |  |  | 22,000 |  |  |  | 32,000 |  |  |  | 80,000 |  |  |  | 98,000 |
Total |  | $ | 392,000 |  |  | $ | 336,000 |  |  | $ | 1,253,000 |  |  | $ | 1,070,000 |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Interest income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing |  | $ | 18,000 |  |  | $ | 57,000 |  |  | $ | 114,000 |  |  | $ | 246,000 |
Direct patient services |  |  | 16,000 |  |  |  | 6,000 |  |  |  | 43,000 |  |  |  | 6,000 |
Total |  | $ | 34,000 |  |  | $ | 63,000 |  |  | $ | 157,000 |  |  | $ | 252,000 |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing |  | $ | (31,000 | ) |  | $ | (276,000 | ) |  | $ | (195,000 | ) |  | $ | (415,000 | )
Direct patient services |  |  | 79,000 |  |  |  | 107,000 |  |  |  | (101,000 | ) |  |  | 171,000 |
Total |  | $ | 48,000 |  |  | $ | (169,000 | ) |  | $ | (296,000 | ) |  | $ | (244,000 | )
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Net (loss) income attributable to American Shared Hospital Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing |  | $ | 326,000 |  |  | $ | (602,000 | ) |  | $ | 119,000 |  |  | $ | (2,096,000 | )
Direct patient services |  |  | (343,000 | ) |  |  | 395,000 |  |  |  | (1,041,000 | ) |  |  | 5,610,000 |
Total |  | $ | (17,000 | ) |  | $ | (207,000 | ) |  | $ | (922,000 | ) |  | $ | 3,514,000 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Total assets |  |  |  |  |  |  |  |
Leasing |  | $ | 28,940,000 |  |  | $ | 35,455,000 |
Direct patient services |  |  | 30,689,000 |  |  |  | 24,742,000 |
Total |  | $ | 59,629,000 |  |  | $ | 60,197,000 |

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