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Fair Value Considerations (Details 1) | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2017 | Dec. 31, 2017 | Jun. 30, 2016
Warrants: |  |  |
Volatility | 160.70% |  | 75.00%
Equivalent term (years) | 4 years 2 months 5 days |  | 4 years 10 months 3 days
Risk-free interest rate | 1.87% |  | 0.99%
Dividend yield | 0.00% |  | 0.00%
Warrants [Member] |  |  |
Warrants: |  |  |
Volatility |  | 177.10% |
Equivalent term (years) |  | 4 years 7 months 17 days |
Risk-free interest rate |  | 2.16% |
Dividend yield |  | 0.00% |
Warrants [Member] | At Issuance [Member] |  |  |
Warrants: |  |  |
Volatility |  | 188.00% |
Equivalent term (years) |  | 5 years |
Risk-free interest rate |  | 1.83% |
Dividend yield |  | 0.00% |

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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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