v2.4.0.8

Stockholders' Equity and Stock-Based Compensation Stock Option Activity (Details) (Stock Options [Member], USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Stock Options [Member]
Options [Abstract]
Options, Outstanding, Number	3,355,054
Exercise of stock options, shares	(569,374)
Options, Forfeited Shares	(11,710)
Options, Outstanding, Number	2,773,970	3,355,054
Options, Exercisable, Number	2,686,103
Weighted-Average Exercise Price [Abstract]
Options, Outstanding, Weighted Average Exercise Price	$ 1.11
Options, Exercises in Period, Weighted Average Exercise Price	$ 1.10
Options, Forfeitures in Period, Weighted Average Exercise Price	$ 2.27
Options, Outstanding, Weighted Average Exercise Price	$ 1.10	$ 1.11
Options, Weighted Average Exercise Price	$ 1.05
Weighted Average Remaining Contractual Term [Abstract]
Options, Outstanding, Weighted Average Remaining Contractual Term	5 years 6 months 10 days	6 years 0 months 15 days
Options, Outstanding, Weighted Average Remaining Contractual Term	5 years 6 months 10 days	6 years 0 months 15 days
Options, Exercisable, Weighted Average Remaining Contractual Term	5 years 6 months 2 days
Aggregate Intrinsic Value [Abstract]
Options, Outstanding, Intrinsic Value	$ 35,742
Options, Outstanding, Intrinsic Value	15,320	35,742
Options, Exercisable, Intrinsic Value	$ 14,971

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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Number of shares (or other type of equity) forfeited during the period.

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Number of share options (or share units) exercised during the current period.

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