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v2.4.1.9

Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Income Tax Disclosure [Abstract] |  |
Plant, property and equipment | $ 469,247 us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | $ 450,705 us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Total | 469,247 us-gaap_DeferredIncomeTaxLiabilities | 450,705 us-gaap_DeferredIncomeTaxLiabilities
Asset valuations | 608,905 ACU_DeferredTaxAssetsAssetValuations | 508,686 ACU_DeferredTaxAssetsAssetValuations
Contribution carryforward |  | 110,700 us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards
Operating loss carryforwards and credits | 138,090 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 2,205,244 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Pension | 166,625 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions | 178,908 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
Foreign tax credit | 28,049 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign | 43,575 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign
Other | 734,993 us-gaap_DeferredTaxAssetsOther | 885,185 us-gaap_DeferredTaxAssetsOther
Total | 1,676,662 us-gaap_DeferredTaxAssetsGross | 3,932,298 us-gaap_DeferredTaxAssetsGross
Net deferred income tax asset before valuation allowance | 1,207,415 ACU_DeferredTaxAssetsLiabilitiesGross | 3,481,593 ACU_DeferredTaxAssetsLiabilitiesGross
Valuation allowance | (138,090)us-gaap_DeferredTaxAssetsValuationAllowance | (2,205,244)us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred income tax asset | $ 1,069,325 us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 1,276,349 us-gaap_DeferredTaxAssetsLiabilitiesNet

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- Definition Amount of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Liability -URI http://asc.fasb.org/extlink&oid=6510232 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph b(2) -Article 7 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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