Stock-Based Compensation Arrangements (Non-vested options) (Detail) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Non-vested options, beginning of year	5,295,300	925,050
Non-vested options, beginning of year, Weighted Avg Exercise Price	$ 0.38	$ 0.42
Granted, Shares	137,000	4,693,800
Granted, Weighted Avg Exercise Price	$ 0.35	$ 0.38
Vested, Shares	(1,360,436)	(270,300)
Vested, Weighted Avg Exercise Price	$ 0.38	$ 0.48
Forfeited, Shares	(1,193,125)	(53,250)
Forfeited, Weighted Avg Exercise Price	$ 0.38	$ 0.51
Non-vested options, end of year, Shares	2,878,739	5,295,300
Non-vested options, end of year, Weighted Avg Exercise Price	$ 0.37	$ 0.38

The number of equity-based payment instruments, stock (or unit) options, that vested during the periods.

No definition available.

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- Definition

The number of equity-based payment instruments, stock (or unit) options, that were forfeited during the reporting period.

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No definition available.

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- Definition

The number of grants made during the period on stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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No definition available.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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No definition available.

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- Definition

Weighted average fair value as of the grant date of equity-based award stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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No definition available.

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- Definition

The number of non-vested equity-based payment instruments, stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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No definition available.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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No definition available.

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- Definition

The weighted average fair value of nonvested awards on equity-based plans, option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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No definition available.

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