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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2018

Shareholders' Equity:

Schedule of Weighted Average Assumptions

The following weighted-average assumptions were used for grants issued during the three months ended March 31, 2017 under the ASC No. 718 requirements.

		Three months ended
		March 31, 2017
Weighted average risk-free rate			1.63	%
Weighted average volatility			115.0	%
Dividend yield			0.00	%
Expected life			7.14 years

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- References

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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