Stockholders' Equity - Summary of Employee Stock Option Activity (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2018	Dec. 31, 2017
Equity [Abstract]
Number of options, Outstanding at beginning of year	62,500	4,193,397
Number of options, Granted
Number of options, Exercised	(62,500)
Number of options, Cancelled		(4,130,397)
Number of options, Outstanding at end of year		62,500
Number of options, Options exercisable at end of period		62,500
Weighted average exercise price, Outstanding at beginning of year	$ 0.01	$ 0.11
Weighted average exercise price, Granted
Weighted average exercise price, Exercised	0.01
Weighted average exercise price, Cancelled		(0.11)
Weighted average exercise price, Outstanding at end of year		0.01
Weighted average exercise price, Options exercisable at end of period		$ 0.01
Aggregate intrinsic value, Outstanding at end of year
Aggregate intrinsic value, Options exercisable at end of period

No definition available.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Number of share options (or share units) exercised during the current period.

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