Income Taxes - Schedule of Components of Provision for Income Tax (Benefits) are Attributable to Continuing Operations (Detail) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
Federal	$ 0	$ 0	$ 0
State	0	0	0
Total	0	0	0
Deferred
Federal	0	0	0
State	0	0	0
Total	$ 0	$ 0	$ 0

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

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

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