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Income Taxes (Details Narrative) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013
Foreign earnings repatriated during period | $ 11,800,000 us-gaap_ForeignEarningsRepatriated |
Foreign subsidiary earnings | 3,177,348 us-gaap_UndistributedEarningsOfForeignSubsidiaries | 13,884,269 us-gaap_UndistributedEarningsOfForeignSubsidiaries
Hong Kong income tax rate | 16.50%ACU_ForeignIncomeTaxRate |
Hong Kong |  |
Foreign earnings repatriated during period | 10,500,000 us-gaap_ForeignEarningsRepatriated / us-gaap_StatementGeographicalAxis = ACU_ReportableSegmentsDMember |
Canada |  |
Foreign earnings repatriated during period | $ 1,300,000 us-gaap_ForeignEarningsRepatriated / us-gaap_StatementGeographicalAxis = ACU_CanadaMember |

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

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- Definition Amount of foreign earnings repatriated from subsidiaries outside the country of domicile. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(c) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 995 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6503627&loc=d3e59836-110443 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28200-109314 + Details
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Period Type: |