XML 32 R21.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 2 - Property and Equipment (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Notes Tables |
Property, Plant and Equipment [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Medical equipment and facilities |  | $ | 73,789,000 |  |  | $ | 71,148,000 |
Office equipment |  |  | 598,000 |  |  |  | 594,000 |
Construction in progress |  |  | 118,000 |  |  |  | 1,112,000 |
|  |  | 74,505,000 |  |  |  | 72,854,000 |
Accumulated depreciation |  |  | (42,220,000 | ) |  |  | (41,729,000 | )
Net property and equipment |  | $ | 32,285,000 |  |  | $ | 31,125,000 |
Net property and equipment held outside of the United States |  | $ | 8,161,000 |  |  | $ | 6,104,000 |
Property, Plant and Equipment, Depreciation [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Depreciation expense |  | $ | 1,454,000 |  |  | $ | 1,644,000 |  |  | $ | 4,411,000 |  |  | $ | 4,501,000 |

X
- Definition Tabular disclosure of depreciation for physical assets used in the normal conduct of business and not intended for resale. + References No definition available. + Details
Name: | ams_PropertyPlantAndEquipmentDepreciationTableTextBlock
Namespace Prefix: | ams_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration