XML 28 R15.htm IDEA: XBRL DOCUMENT v3.10.0.1

Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2018

Shareholders' Equity:

Schedule of Weighted Average Assumptions

The following weighted-average assumptions were used for grants issued during the three and six months ended June 30, 2018 and 2017 under the ASC No. 718 requirements:

		Three months ended June 30,								Six months ended June 30,
		2018				2017				2018				2017
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			7.24 years				7.38 years				7.24 years				7.25 years

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration