Income Tax Benefit Attributable to Loss Before Income Taxes Deferred (Detail) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ 0	$ 0
State	0	0
Total	0	0
Deferred:
Federal	0	0
State	0	0
Total	0	0
Provision for income tax, net	$ 0	$ 0

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.