INVESTMENT IN NON-CONSOLIDATED AFFILIATES (Schedule of Intangible Assets, Finite and Indefinite) (Details) (Second 2012 Affiliate Company [Member], CNY)	Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Identifiable intangible assets	10,180,016
Trade name [Member]
Schedule of Equity Method Investments [Line Items]
Identifiable intangible assets	10,180,016

Equity Method Investment Purchase Price Allocation Intangible Assets

No definition available.

Name:	long_EquityMethodInvestmentPurchasePriceAllocationIntangibleAssets
Namespace Prefix:	long_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant