Segment Information (Details Narrative)	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Information Details Narrative
Direct import sales to total net sales ratio	27.00%	28.00%	21.00%	22.00%

Percentage of direct import sales to total net sales.

No definition available.

Name:	ACU_DirectImportSalesToTotalNetSalesPercentage
Namespace Prefix:	ACU_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration