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Income Taxes - Reconciliation of IncomeTaxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Expected income tax benefit	$ (627,000)us-gaap_IncomeTaxReconciliationTaxCredits	$ (741,000)us-gaap_IncomeTaxReconciliationTaxCredits
Non-deductible foreign stock compensation expense	850,000us-gaap_IncomeTaxReconciliationTaxCreditsForeign	18,000us-gaap_IncomeTaxReconciliationTaxCreditsForeign
Foreign tax rate differences	(101,000)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential	31,000us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
State income tax	(146,000)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	303,000us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Change in valuation allowance	(5,000)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	233,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
MH-LLC Investment	3,000us-gaap_IncomeTaxReconciliationTaxCreditsOther	(16,000)us-gaap_IncomeTaxReconciliationTaxCreditsOther
Permanent differences and other	26,000us-gaap_IncomeTaxReconciliationDeductionsOther	(4,000)us-gaap_IncomeTaxReconciliationDeductionsOther
Income tax benefit		$ (176,000)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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