Represents the value of common stock reserved for future issuance.

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Represents shares issued during the period under shelf registration statement.

+ References

No definition available.

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- Definition

Amount of equity securities categorized neither as held-to-maturity nor as trading.

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-Publisher FASB

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Unrecognized cost of unvested share-based compensation awards.

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-Topic 718

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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-Publisher FASB

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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The cash inflow from the additional capital contribution to the entity.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of options outstanding, including both vested and non-vested options.

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-Publisher FASB

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-Topic 718

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Number of shares issued as consideration for cash for development stage entities.

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-Name Accounting Standards Codification

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-SubTopic 215

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Value of shares issued as consideration for cash for development stage entities.

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STOCKHOLDERS' EQUITY (Details Textual) (USD $)	3 Months Ended		1 Months Ended
STOCKHOLDERS' EQUITY (Details Textual) (USD $)	Mar. 31, 2015	Mar. 31, 2014	May 08, 2015	Dec. 31, 2014	May 31, 2015
Stockholders Equity [Line Items]
Preferred stock, shares authorized	10,000,000us-gaap_PreferredStockSharesAuthorized			10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, par value (in dollars per share)	$ 0.001			$ 0.001
Common stock, par value (in dollars per share)	$ 0.001			$ 0.001
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	2 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total	$ 13,600,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance	152			194
Shares available from Shelf Registration Statement	273,000,000
Proceeds From Issuance Of Common Stock	34,200,000
Common Stock, Shares Authorized	150,000,000us-gaap_CommonStockSharesAuthorized			150,000,000us-gaap_CommonStockSharesAuthorized
Entities, Stock Issued, Shares, Issued for Cash	2,195,016
Entities, Stock Issued, Value, Issued for Cash	34,800,000
Sale of Stock, Price Per Share	$ 15.87us-gaap_SaleOfStockPricePerShare
Available-for-sale Securities, Equity Securities				250,000,000
Restricted Stock Or Unit Expense	5,357,028us-gaap_RestrictedStockExpense	4,231,438us-gaap_RestrictedStockExpense
ATM [Member]
Stockholders Equity [Line Items]
Common Stock Value Reserved for Future Issuance	75,000,000
Commission Percentage	3.00%
Subsequent Event [Member]
Stockholders Equity [Line Items]
Proceeds From Issuance Of Common Stock			8,500,000
Entities, Stock Issued, Shares, Issued for Cash			518,076
Entities, Stock Issued, Value, Issued for Cash			8,000,000
Sale of Stock, Price Per Share			$ 16.38
Non Employee Restricted Stock [Member]
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance	1,965,250
Corporate Milestone [Member]
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance	134,302
Restricted Stock [Member]
Stockholders Equity [Line Items]
Restricted Stock Or Unit Expense	$ 5,357,028
Equity Incentive Plans [Member]
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					115,166