XML 65 R53.htm IDEA: XBRL DOCUMENT
v3.22.4

Segment Information (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Segment Information Details Narrative [Abstract] |  |
Direct import sales to total net sales ratio | 8.00% | 9.00%

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