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Note 2 - Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Asset Retirement Obligations [Table Text Block] |
|  | 2024 |  |  | 2023 |
Balance at beginning of period |  | $ | 650,000 |  |  | $ | 360,000 |
Increase in obligations |  |  | 1,138,000 |  |  |  | 290,000 |
Payments |  |  | (588,000 | ) |  |  | — |
Balance at end of period |  | $ | 1,200,000 |  |  | $ | 650,000 |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2024 |  |  | 2023 |
Numerator for basic and diluted earnings per share |  | $ | 2,186,000 |  |  | $ | 610,000 |
Denominator: |  |  |  |  |  |  |  |
Denominator for basic earnings per share – weighted-average shares |  |  | 6,497,000 |  |  |  | 6,358,000 |
Effect of dilutive securities employee stock options and restricted stock |  |  | 206,000 |  |  |  | 35,000 |
Denominator for diluted earnings per share – adjusted weighted-average shares |  |  | 6,703,000 |  |  |  | 6,393,000 |
Earnings per common share- basic |  | $ | 0.34 |  |  | $ | 0.10 |
Earnings per common share- diluted |  | $ | 0.33 |  |  | $ | 0.10 |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
|  | 2024 |  |  | 2023 |
Revenues |  |  |  |  |  |  |  |
Leasing |  | $ | 15,784,000 |  |  | $ | 17,772,000 |
Retail |  |  | 12,556,000 |  |  |  | 3,553,000 |
Total |  | $ | 28,340,000 |  |  | $ | 21,325,000 |
Segment, Reconciliation of Other Items from Segments to Consolidated [Table Text Block] |
|  | 2024 |  |  | 2023 |
Depreciation expense |  |  |  |  |  |  |  |
Leasing |  | $ | 4,535,000 |  |  | $ | 4,429,000 |
Retail |  |  | 1,639,000 |  |  |  | 736,000 |
Total |  | $ | 6,174,000 |  |  | $ | 5,165,000 |
|  | 2024 |  |  | 2023 |
Interest expense |  |  |  |  |  |  |  |
Leasing |  | $ | 1,367,000 |  |  | $ | 1,087,000 |
Retail |  |  | 132,000 |  |  |  | 25,000 |
Total |  | $ | 1,499,000 |  |  | $ | 1,112,000 |
|  | 2024 |  |  | 2023 |
Bargain purchase gain RI Acquisition |  |  |  |  |  |  |  |
Leasing |  | $ | — |  |  | $ | — |
Retail |  |  | 3,794,000 |  |  |  | — |
Total |  | $ | 3,794,000 |  |  | $ | — |
|  | 2024 |  |  | 2023 |
Loss on write down of impaired assets and associated removal costs |  |  |  |  |  |  |  |
Leasing |  | $ | 3,084,000 |  |  | $ | 940,000 |
Retail |  |  | — |  |  |  | — |
Total |  | $ | 3,084,000 |  |  | $ | 940,000 |
|  | 2024 |  |  | 2023 |
Interest income |  |  |  |  |  |  |  |
Leasing |  | $ | 310,000 |  |  | $ | 458,000 |
Retail |  |  | 32,000 |  |  |  | — |
Total |  | $ | 342,000 |  |  | $ | 458,000 |
|  | 2024 |  |  | 2023 |
Income tax (benefit) expense |  |  |  |  |  |  |  |
Leasing |  | $ | (623,000 | ) |  | $ | 306,000 |
Retail |  |  | 328,000 |  |  |  | 125,000 |
Total |  | $ | (295,000 | ) |  | $ | 431,000 |
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] |
|  | 2024 |  |  | 2023 |
Net (loss) income attributable to American Shared Hospital Services |  |  |  |  |  |  |  |
Leasing |  | $ | (3,380,000 | ) |  | $ | 518,000 |
Retail |  |  | 5,566,000 |  |  |  | 92,000 |
Total |  | $ | 2,186,000 |  |  | $ | 610,000 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
|  | 2024 |  |  | 2023 |
Total assets |  |  |  |  |  |  |  |
Leasing |  | $ | 35,455,000 |  |  | $ | 39,854,000 |
Retail |  |  | 24,742,000 |  |  |  | 8,308,000 |
Total |  | $ | 60,197,000 |  |  | $ | 48,162,000 |

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