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Income Taxes - US Statutory Rate Reconciliation (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Federal income taxes at 34% statutory rate	$ 2,203,901us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	$ 1,867,923us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State and local taxes, net of federal income tax effect	131,505us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	73,587us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Permanent items	11,693ACU_IncomeTaxReconciliationPermanentItems	61,750ACU_IncomeTaxReconciliationPermanentItems
Foreign tax rate difference	(471,469)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential	(515,729)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Change in deferred income tax valuation allowance	138,090us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	3,455us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Provision for income taxes	$ 2,013,720us-gaap_IncomeTaxExpenseBenefit	$ 1,490,986us-gaap_IncomeTaxExpenseBenefit

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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