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Commitments and Contingencies (Details) (USD $)
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3 Months Ended | 1 Months Ended | ||
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Mar. 31, 2015
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Mar. 31, 2014
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Mar. 27, 2015
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Dec. 31, 2014
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| Commitments And Contingencies Disclosure (Textual) | ||||
| Royalty expenses | $ 1,201,000us-gaap_RoyaltyExpense | $ 2,191,000us-gaap_RoyaltyExpense | ||
| Deposits held by credit card processors | 1,900,000us-gaap_SecurityDeposit | 1,300,000us-gaap_SecurityDeposit | ||
| Private Placement [Member] | ||||
| Commitments And Contingencies Disclosure (Textual) | ||||
| Cash received in private placement |
$ 500,000us-gaap_SaleOfStockConsiderationReceivedPerTransaction / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
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| Number of shares issued in private placement |
840,000us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
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| Percentage of placement agent fees on share sales |
13.00%leai_PercentageOfPlacementAgentFeesOnSaleOfStock / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
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| Percentage of amount upon the exercise of warrants |
5.00%leai_PercentageOfAmountsReceivedUponExerciseOfWarrants / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
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| Percentage of warrant to purchase of common stock equal of net sales |
10.00%leai_PercentageOfWarrantToPurchaseOfCommonStockEqualOfNetSales / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
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| Gross price per unit |
$ 0.55us-gaap_SaleOfStockPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
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| Private offering exercise price description | Each unit included one share of common stock and a three-year warrant to purchase one share of common stock at an initial exercise price per share equal to $0.75, subject to adjustment for certain corporate transactions such as a merger, stock-split or stock dividend. | |||
| Exercise price of warrant |
$ 0.75us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
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| Term of warrant | 3 years | |||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Percentage of amounts received upon exercise of warrants. No definition available.
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| X | ||||||||||
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- Definition
Percentage of placement agent fees on sale of stock. No definition available.
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| X | ||||||||||
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- Definition
Percentage of warrant to purchase of common stock equal of net sales. No definition available.
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| X | ||||||||||
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- Definition
Private offering exercise price description. No definition available.
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| X | ||||||||||
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- Definition
Term of warrant. No definition available.
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| X | ||||||||||
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- Definition
Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor. No definition available.
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| X | ||||||||||
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- Definition
The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. No definition available.
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| X | ||||||||||
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- Definition
Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. No definition available.
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| X | ||||||||||
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- Definition
The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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