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Significant Accounting Policies (Policies) | 3 Months Ended
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Mar. 31, 2025
Accounting Policies [Abstract] |
New Accounting Pronouncements, Policy [Policy Text Block] | Accounting pronouncements issued and not yet adopted - In December 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-09 Income Taxes (Topic 740) Improvements to Income Tax Disclosures (“ASU 2023-09”) which requires entities, on an annual basis, to disclose: specific categories in the rate reconciliation, additional information for reconciling items that meet a quantitative threshold, the amount of income taxes paid, net of refunds, disaggregated by jurisdiction, income or loss from continuing operations before income tax, income tax expense from continuing operations disaggregated between foreign and domestic, and income tax expense from continuing operations disaggregated by federal, state and foreign. ASU 2023-09 is effective for annual periods beginning after December 15, 2024, and interim reporting periods beginning after December 15, 2025. The Company is currently evaluating ASU 2023-09 to determine the impact it may have on its disclosures to the consolidated financial statements. In November 2024, the FASB issued ASU 2024-03 Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (“ASU 2024-03”) which requires entities to 1. disclose amounts of (a) purchase of inventory, (b) employee compensation, (c) depreciation, (d) intangible asset amortization, and, (e) depreciation, depletion, and amortization recognized as part of oil-and gas-producing activities, 2. include certain amounts that are already required to be disclosed under current Generally Accepted Accounting Principles in the same disclosures as other disaggregation requirements, 3. disclose a qualitative description of the amounts remaining in relevant expense captions that are not necessarily disaggregated quantitatively, and 4. disclose the total amount of selling expenses, in annual reporting periods, including an entity’s definition of selling expense. ASU 2024-03 is effective for annual reporting periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating ASU 2024-03 to determine the impact it may have on its consolidated financial statements.
Revenue [Policy Text Block] | Revenue recognition - The Company recognizes revenues under Accounting Standards Codification (“ASC”) 842 Leases (“ASC 842”) and ASC 606 Revenue from Contracts with Customers (“ASC 606”). Rental revenue from medical equipment leasing (“leasing”) – The Company recognizes revenues under ASC 842 when services have been rendered and collectability is reasonably assured, on either a fee per use or revenue sharing basis. The terms of the contracts do not contain any guaranteed minimum payments. The Company’s lease contracts typically have a ten-year term and are classified as either fee per use or revenue sharing. Fee per use revenues are recognized at the time the procedures are performed, based on each hospital’s contracted rate and the number of procedures performed. Under revenue sharing arrangements, the Company receives a contracted percentage of the reimbursement received by the hospital. The amount the Company expects to receive is recorded as revenue and estimated based on historical experience. Revenue estimates are reviewed periodically and adjusted as necessary. Some of the Company’s revenue sharing arrangements also have a cost sharing component. The Company records an estimate of operating costs which are reviewed on a regular basis and adjusted as necessary to more accurately reflect the actual operating costs. The operating costs are recorded as other direct operating costs in the condensed consolidated statements of operations. For the three-month periods ended March 31, 2025 and 2024, the Company recognized leasing revenue of approximately $2,991,000 and $4,253,000 of which approximately $1,642,000 and $2,649,000 were for PBRT services, respectively. Direct patient services income – The Company has stand-alone facilities in Lima, Peru, Guayaquil, Ecuador, and Puebla, Mexico where contracts exist between the Company’s facilities and the individual patients treated at the facility. Under ASC 606, the Company acts as the principal in these transactions and provides, at a point in time, a single performance obligation, in the form of a Gamma Knife or radiation therapy treatment. Revenue related to these treatments is recognized on a gross basis at the time when the patient receives treatment. There is no variable consideration present in the Company’s performance obligation and the transaction price is agreed upon per the stated contractual rate. GKPeru’s payment terms are typically prepaid for self-pay patients and insurance provider payments are paid net 30 days. GKCE’s patient population is primarily covered by a government payor and payments are paid between three and six months following issuance of an invoice. The facility in Puebla currently has a contract with one local hospital to cover its eligible patient base and is also treating self-pay patients. Puebla’s payment terms are typically prepaid for self-pay patients and net 30 days for the hospital patients. The Company did not capitalize any incremental costs related to the fulfillment of its customer contracts. On May 7, 2024, the Company acquired 60% of the interests of the RI Companies. The RI Companies operate three, existing, stand-alone radiation therapy cancer centers in Woonsocket, Warwick and Providence, Rhode Island, where contracts exist between the Company’s facilities and the individual patients treated at the facility. Under ASC 606, the Company acts as the principal in these transactions and provides, at a point in time, a single performance obligation, in the form of radiation therapy treatment. Revenue related to radiation therapy is recognized at the expected amount to be received, based on insurance contracts and payor mix, when the patient receives treatment. There is no variable consideration present in the Company’s performance obligation and the transaction price is agreed upon per the stated contractual rate. Payment terms at these facilities are typically prepaid for self-pay patients and insurance providers are paid net 30 to 60 days. The Company did not capitalize any incremental costs related to the fulfillment of its customer contracts. The Company also concluded the three facilities are part of its direct patient services segment, see further discussion below. Accounts receivable balances under ASC 606 at March 31, 2025 and January 1, 2025 were $6,120,000 and $6,073,000, respectively. Accounts receivable balances under ASC 606 at March 31, 2024 and January 1, 2024 were $1,882,000 and $1,626,000, respectively. For the three-month periods ended March 31, 2025 and 2024, the Company recognized direct patient services revenues of approximately $3,121,000 and $963,000, respectively.
Business Combination [Policy Text Block] | Business Combinations - Business combinations are accounted for under ASC 805 Business Combinations (“ASC 805”) using the acquisition method of accounting. Under the acquisition method of accounting, all assets acquired, identifiable intangible assets acquired, liabilities assumed, and applicable non-controlling interests are recognized at fair value as of the acquisition date. Costs incurred associated with the acquisition of a business are expensed as incurred. The allocation of purchase price requires management to make significant estimates and assumptions, especially with respect to tangible assets, any intangible assets identified and non-controlling interests. These estimates include, but are not limited to, a market participant’s expectation of future cash flows from acquired customers, acquired trade names, useful lives of acquired assets, and discount rates. See Note 11 - Rhode Island Acquisition to the condensed consolidated financial statements for further discussion on acquisitions.
Segment Reporting, Policy [Policy Text Block] | Business segment information - Based on the guidance provided in accordance with ASC 280 Segment Reporting (“ASC 280”), the Company analyzed its subsidiaries which are all in the business of providing radiosurgery and radiation therapy services, either through leasing to healthcare providers or directly to patients, and concluded there are two reportable segments, leasing and direct patient services. As of March 31, 2025, the Company provided Gamma Knife and PBRT equipment to nine hospitals in the United States, which constitutes the leasing segment. As of March 31, 2025, the Company owns and operates two single-unit Gamma Knife facilities in Lima, Peru and Guayaquil, Ecuador, one single-unit radiation therapy facility in Puebla, Mexico, and following the RI Acquisition on May 7, 2024, the Company also owns a majority interest in and operates, three single-unit radiation therapy facilities in Rhode Island, which collectively constitute the direct patient services segment. An operating segment is defined by ASC 280 as a component of an entity that engages in business activities in which it may recognize revenues and incur expenses, that has operating results that are regularly reviewed by the Company’s Chief Operating Decision Maker (“CODM”), and for which its discrete financial information is available. The Company determined two reportable segments existed due to similarities in economics of business operations and how the Company recognizes revenue for the patient treatment. The operating results of the two reportable segments are reviewed by the Company’s Chief Executive Officer, who is also the CODM. For the periods ended March 31, 2025 and 2024, the Company’s PBRT operations represented a significant majority of the net (loss) income attributable to American Shared Hospital Services from the leasing segment, disclosed below. The revenues, depreciation, interest expense, interest income, tax expense, net (loss) income attributable to American Shared Hospital Services, and total assets for the Company’s two reportable segments as of March 31, 2025 and 2024 consist of the following:
|  | Three Months Ended March 31, |
|  | 2025 |  |  | 2024 |
Revenues |  |  |  |  |  |  |  |
Leasing |  | $ | 2,991,000 |  |  | $ | 4,253,000 |
Direct patient services |  |  | 3,121,000 |  |  |  | 963,000 |
Total |  | $ | 6,112,000 |  |  | $ | 5,216,000 |
|  | 2025 |  |  | 2024 |
Depreciation, amortization, and other expense |  |  |  |  |  |  |  |
Leasing |  | $ | 899,000 |  |  | $ | 1,092,000 |
Direct patient services |  |  | 550,000 |  |  |  | 242,000 |
Total |  | $ | 1,449,000 |  |  | $ | 1,334,000 |
|  | 2025 |  |  | 2024 |
Interest expense |  |  |  |  |  |  |  |
Leasing |  | $ | 398,000 |  |  | $ | 316,000 |
Direct patient services |  |  | 35,000 |  |  |  | 33,000 |
Total |  | $ | 433,000 |  |  | $ | 349,000 |
|  | 2025 |  |  | 2024 |
Interest income |  |  |  |  |  |  |  |
Leasing |  | $ | 58,000 |  |  | $ | 111,000 |
Direct patient services |  |  | 16,000 |  |  |  | - |
Total |  | $ | 74,000 |  |  | $ | 111,000 |
|  | 2025 |  |  | 2024 |
Income tax (benefit) expense |  |  |  |  |  |  |  |
Leasing |  | $ | (257,000 | ) |  | $ | 42,000 |
Direct patient services |  |  | (66,000 | ) |  |  | (86,000 | )
Total |  | $ | (323,000 | ) |  | $ | (44,000 | )
|  | 2025 |  |  | 2024 |
Net (loss) income attributable to American Shared Hospital Services |  |  |  |  |  |  |  |
Leasing |  | $ | (303,000 | ) |  | $ | 201,000 |
Direct patient services |  |  | (322,000 | ) |  |  | (82,000 | )
Total |  | $ | (625,000 | ) |  | $ | 119,000 |
|  | March 31, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Total assets |  |  |  |  |  |  |  |
Leasing |  | $ | 35,446,000 |  |  | $ | 35,455,000 |
Direct patient services |  |  | 27,865,000 |  |  |  | 24,742,000 |
Total |  | $ | 63,311,000 |  |  | $ | 60,197,000 |

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