No definition available.

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Fair value assumption expected term period for the during period.

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No definition available.

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

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No definition available.

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Risk-free interest rate assumption used in valuing an instrument.

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No definition available.

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- Definition

Reclassification of derivative warrant liability to additional paid in capital.

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No definition available.

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- Definition

Share of warrants to purchase common stock.

+ References

No definition available.

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- Definition

Warrants to purchase common stock expired.

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No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

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- Definition

Description of stock transaction which may include details of the offering (IPO, private placement), a description of the stock sold, percentage of subsidiary's or equity investee's stock sold, a description of the investors and whether the stock was issued in a business combination.

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- Definition

Per share decrease in exercise price of warrant. Excludes change due to standard antidilution provision.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Derivative Warrant Liability (Details Textual) - USD ($)		9 Months Ended
	Jun. 08, 2017	Jun. 30, 2017	Jun. 08, 2018
Derivative Warrant Liability (Textual)
Volatility rate		95.00%
Risk-free interest rate		1.85%
Estimated life		4 years 6 months 7 days
Warrants to purchase common stock expired, shares		307,778
Reclassification of derivative warrant liability to additional paid-in capital		$ (1,433,316)
2016 Offering [Member]
Derivative Warrant Liability (Textual)
Warrants to purchase common stock			140,819
Exercise price of warrants per share			$ 8.25
2017 Public Offering [Member]
Derivative Warrant Liability (Textual)
Exercise price of warrants per share			$ 8.25
Description of public offering warrants	The per share purchase price in the 2017 Public Offering was $4.125 and, consequently, the exercise price of these warrants was decreased to $4.125
Exercise price of warrant decreased	$ 4.125
Fair value of warrants to derivative warrant liability	$ 641,385,000