XML 42 R35.htm IDEA: XBRL DOCUMENT
v3.24.3

Segment Information (Details Narrative) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Segment Information Details Narrative [Abstract] |  |  |  |
Direct import sales to total net sales ratio | 5.00% | 7.00% | 7.00% | 7.00%

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