Derivative Liability and Fair Value Measurements (Estimate the fair value of warrants outstanding) (Detail) - Monte Carlo Options Lattice Pricing Model Warrants Outstanding - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Assumptions for Pricing Model:
Expected term in years	2 years 7 months 6 days
Volatility range for years	103.00%
Risk-free interest rate	1.06%
Expected annual dividends	0.00%	0.00%
Value of warrants outstanding:
Fair value of warrants	$ 240,786	$ 10,734,196
Minimum
Assumptions for Pricing Model:
Expected term in years		3 years 2 months 16 days
Volatility range for years		81.00%
Risk-free interest rate		0.83%
Maximum
Assumptions for Pricing Model:
Expected term in years		3 years 9 months 11 days
Volatility range for years		89.00%
Risk-free interest rate		1.11%

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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-Publisher FASB
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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Risk-free interest rate assumption used in valuing an instrument.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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