v2.4.1.9

Warrant Liability (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Stock Price	$ 9.30us-gaap_SharePrice	$ 10.15us-gaap_SharePrice
Risk-free rate	0.56%us-gaap_FairValueAssumptionsRiskFreeInterestRate	0.67%us-gaap_FairValueAssumptionsRiskFreeInterestRate
Expected Term	1 year 8 months 19 days	1 year 11 months 19 days
Expected Volatility	32.77%us-gaap_FairValueAssumptionsExpectedVolatilityRate	33.62%us-gaap_FairValueAssumptionsExpectedVolatilityRate

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- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Risk-free interest rate assumption used in valuing an instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

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Price of a single share of a number of saleable stocks of a company.

+ References

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