Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.

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- Definition

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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Income Taxes (Details) (USD $)	3 Months Ended		12 Months Ended
Income Taxes (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Expected federal income tax benefit			$ (1,378,928)
State income taxes after credits			(266,684)
Change in valuation allowance			138,579
Permanent tax differences			1,497,622esdi_PermanentTaxDifferences
Other			10,911us-gaap_DeferredOtherTaxExpenseBenefit
Total provision for income taxes			$ 1,500us-gaap_IncomeTaxExpenseBenefit