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Stockholders' Equity - Schedule of Weighted Average Assumptions (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Shareholders' Equity:
Weighted average risk-free rate	2.88%	1.61%	2.88%	1.62%
Weighted average volatility	113.09%	114.33%	113.09%	114.70%
Dividend yield	0.00%	0.00%	0.00%	0.00%
Expected life	7 years 2 months 27 days	7 years 4 months 17 days	7 years 2 months 27 days	7 years 2 months 30 days

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- Definition

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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-Publisher FASB
-Name Accounting Standards Codification
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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Weighted average expected volatility rate of share-based compensation awards.

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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