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Number of warrants issued during the period pursuant to public offering.

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Amount of warrants issued during the period pursuant to public offering.

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Number of warrants or rights outstanding.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6939902&loc=d3e20148-110875

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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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).

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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

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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.

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

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

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Fair value portion of warrants not settleable in cash classified as equity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Estimated Fair Value of Financial Instruments - Warrant Liability (Details) - USD ($)			12 Months Ended
	Feb. 10, 2017	Oct. 11, 2016	Jun. 30, 2017
Changes in the estimated fair value for warrant liability
Change in fair value of warrant liabilities			$ 61,073,808
Warrant Liability.
Fair value assumptions for warrants
Risk-free interest rate	1.47%	0.87%
Expected remaining term	3 years	2 years
Expected volatility	71.42%	75.00%
Dividend yield	0.00%	0.00%
Number of Warrants
Warrants outstanding at end of period			18,655,804
Warrant Liability. \| Level 2
Changes in the estimated fair value for warrant liability
Change in fair value of warrant liabilities			$ 61,074
Fair value at end of year			$ 90,706
Warrant Liability. \| October 11, 2016 public offering
Number of Warrants
Additions			10,000,000
Warrant Liability. \| October 11, 2016 public offering \| Level 2
Fair value assumptions for warrants
Risk-free interest rate			1.38%
Expected remaining term			1 year 3 months 11 days
Expected volatility			73.85%
Dividend yield			0.00%
Changes in the estimated fair value for warrant liability
Additions, pursuant to public offering			$ 7,313
Warrant Liability. \| February 16, 2017 stock purchase agreement
Number of Warrants
Additions			8,655,804
Warrant Liability. \| February 16, 2017 stock purchase agreement \| Level 2
Changes in the estimated fair value for warrant liability
Additions, pursuant to public offering			$ 22,319
Warrant Liability. \| February 10, 2017 stock purchase agreement
Fair value assumptions for warrants
Risk-free interest rate			1.14%
Expected remaining term			6 months 4 days
Expected volatility			69.34%
Dividend yield			0.00%