Income Taxes (Reconciliation Of Effective Rate) (Detail)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Effective Income Tax Rate Reconciliation [Line Items]
Federal Income Tax at Statutory Rate	34.00%	34.40%
State Tax Provision, Net of Federal Benefit	0.20%	0.50%
Foreign Income Taxed at Other Than 34%	0.00%	(0.20%)
Loss on Derivative Valuation	(11.10%)	(12.20%)
Change in Rate Assumptions	0.00%	41.00%
Other	(2.20%)	(0.30%)
Effective Tax Rate	20.90%	63.20%
Change in Valuations Allowance	(20.90%)	(63.20%)
Net Effective Tax Rate	0.00%	0.00%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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