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v3.24.0.1

Segment Information (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Segment Information Details Narrative [Abstract] |  |
Direct import sales to total net sales ratio | 6.00% | 8.00%

X
- Definition Percentage of direct import sales to total net sales. + References No definition available. + Details
Name: | acu_DirectImportSalesToTotalNetSalesPercentage
Namespace Prefix: | acu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Segment information details narrative. + References No definition available. + Details
Name: | acu_SegmentInformationDetailsNarrativeAbstract
Namespace Prefix: | acu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration