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Note 7 - Prepaid and Other Current Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule Of Prepaid Expenses And Other Current Assets [Table Text Block] |
|  | December 31, 2023 |  |  | December 31, 2024 |
Prepaid inventory |  | $ | 619 |  |  | $ | 904 |
Restricted cash |  |  | 2,043 |  |  |  | 1,015 |
Prepaid insurance |  |  | 1,355 |  |  |  | 528 |
Prepaid freight forwarder |  |  | 100 |  |  |  | 145 |
Other |  |  | 881 |  |  |  | 598 |
Prepaid and Other Current Assets |  | $ | 4,998 |  |  | $ | 3,190 |

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- Definition Tabular disclosure of the company's prepaid expenses and other current assets. + References No definition available. + Details
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Namespace Prefix: | ater_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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