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Equity Instruments (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Jun. 30, 2017
Equity Instruments [Abstract] |  |
Schedule of assumptions |  |
|  | Year Ended June 30,
|  | 2017 |  | 2016
Expected volatility |  | 178% - 185% |  | 75%
Risk free interest rate |  | 0.97% - 1.88% |  | 1.16% - 1.90%
Expected term (years) |  | 5.0 -6.5 |  | 3.75 - 6.25
Dividend yield |  | 0% |  | 0%
Schedule of stock option activity |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life in Years |
Outstanding June 30, 2017 |  |  | 38,263 |  |  | $ | 16.31 |  |  |  | 8.40 |
Granted |  |  | - |  |  | $ | - |  |  |  |  |
Exercised |  |  | - |  |  | $ | - |  |  |  |  |
Forfeited/Cancelled |  |  | (1,468 | ) |  | $ | 16.40 |  |  |  |  |
Outstanding December 31, 2017 |  |  | 36,795 |  |  | $ | 16.30 |  |  |  | 7.58 |
Exercisable at December 31, 2017 |  |  | 27,031 |  |  | $ | 16.27 |  |  |  | 7.33 |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life in Years |
Outstanding June 30, 2015 |  |  | - |  |  | $ | - |  |  |  | - |
Granted |  |  | 16,340 |  |  | $ | 360.20 |  |  |  |  |
Exercised |  |  | - |  |  | $ | - |  |  |  |  |
Forfeited/Cancelled |  |  | (209 | ) |  | $ | 362.40 |  |  |  |  |
Outstanding June 30, 2016 |  |  | 16,131 |  |  | $ | 360.20 |  |  |  | 9.33 |
Granted |  |  | 23,608 |  |  | $ | 18.20 |  |  |  |  |
Exercised |  |  | - |  |  | $ | - |  |  |  |  |
Forfeited |  |  | (1,408 | ) |  | $ | 83.20 |  |  |  |  |
Cancelled |  |  | (68 | ) |  | $ | 64.60 |  |  |  |  |
Outstanding June 30, 2017 |  |  | 38,263 |  |  | $ | 16.31 |  |  |  | 8.40 |
Exercisable at June 30, 2017 |  |  | 19,341 |  |  | $ | 16.40 |  |  |  | 7.95 |
Available for grant at June 30, 2017 |  |  | 61,737 |  |  |  |  |  |  |  |  |
Schedule of options outstanding range of exercise prices |  |
Range of Exercise Prices |  |  | Number of Options Outstanding |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life of Options Outstanding |  |  | Number of Options Exercisable |  |  | Weighted Average Exercise Price |
$ | 14.00 |  |  |  | 1,500 |  |  | $ | 14.00 |  |  |  | 9.85 |  |  |  | - |  |  | $ | 14.00 |
$ | 16.40 |  |  |  | 36,763 |  |  | $ | 16.40 |  |  |  | 8.34 |  |  |  | 19,341 |  |  | $ | 16.40 |
|  |  |  |  | 38,263 |  |  | $ | 16.31 |  |  |  | 8.40 |  |  |  | 19,341 |  |  | $ | 16.40 |
Summary of stock-based compensation expense |
|  | Three Months Ended December 31, |  |  | Six Months Ended December 31, |
Selling, general and administrative: |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Stock options |  | $ | 81,000 |  |  | $ | 381,000 |  |  | $ | 276,000 |  |  | $ | 1,425,000 |
Restricted Stock |  |  | 32,000 |  |  |  | 82,000 |  |  |  | 104,000 |  |  |  | 157,000 |
Total share-based compensation expense |  | $ | 113,000 |  |  | $ | 463,000 |  |  | $ | 380,000 |  |  | $ | 1,582,000 |
|  | Year Ended June 30, |
|  | 2017 |  |  | 2016 |
Research and development expenses |  |  |  |  |  |  |  |
Stock-based compensation |  | $ | - |  |  | $ | 89,000 |
Selling, general and administrative expenses |  |  |  |  |  |  |  |
Stock-based compensation |  |  | 2,502,000 |  |  |  | 814,000 |
|  | $ | 2,502,000 |  |  | $ | 903,000 |
Unrecognized expense at June 30, 2017 |  | $ | 775,000 |  |  |  |  |
Weighted average remaining years to vest |  |  | 1.81 |  |  |  |  |
Summary of all warrants |
|  | Number of Warrants |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life in Years |
Outstanding June 30, 2017 |  |  | 286,049 |  |  | $ | 50.29 |  |  |  | 4.23 |
Warrants issued in connection with the August 2017 private offering |  |  | 5,920,002 |  |  | $ | 3.60 |  |  |  |  |
Warrants issued to underwriters in connection with the August 2017 private offering |  |  | 394,669 |  |  | $ | 3.60 |  |  |  |  |
Outstanding December 31, 2017 |  |  | 6,600,720 |  |  | $ | 5.62 |  |  |  | 4.61 |
|  |  | Number of Warrants |  |  |  | Weighted Average Exercise Price |  |  |  | Weighted Average Remaining Contractual Life in Years |
Outstanding June 30, 2015 |  |  | 444 |  |  | $ | 1,087.20 |  |  |  | 2.92 |
Warrants issued to placement agents for convertible promissory notes |  |  | 1,115 |  |  | $ | 156.00 |  |  |  |  |
Warrants issued to investors in connection with the registered offering |  |  | 86,667 |  |  | $ | 120.00 |  |  |  |  |
Warrants issued to placement agents for convertible promissory notes |  |  | 1,129 |  |  | $ | 96.00 |  |  |  |  |
Warrants issued to placement agents for the registered offering |  |  | 5,474 |  |  | $ | 120.00 |  |  |  |  |
Warrants issued to convertible note holders who converted May 5, 2016 |  |  | 15,279 |  |  | $ | 120.00 |  |  |  |  |
Outstanding June 30, 2016 |  |  | 110,108 |  |  | $ | 124.02 |  |  |  | 4.71 |
Issuance of settlement warrants to initial investors |  |  | 4,402 |  |  | $ | 80.00 |  |  |  |  |
Warrants issued to investors in connection with the registered offering |  |  | 301,014 |  |  | $ | 37.20 |  |  |  |  |
Warrants issued to placement agents for the registered offering |  |  | 20,077 |  |  | $ | 15.00 |  |  |  |  |
Warrants exercised |  |  | (149,552 | ) |  | $ | 15.00 |  |  |  |  |
Outstanding June 30, 2017 |  |  | 286,049 |  |  | $ | 50.29 |  |  |  | 4.23 |
Schedule of warrant assumptions |  |
|  | Year Ended June 30,
|  | 2017 |  | 2016
Expected volatility |  | 156.64% - 169.22% |  | 75%
Risk free interest rate |  | 1.63% - 1.87% |  | 1.07 - 1.76%
Contractual term (years) |  | 3.46 - 4.67 |  | 4.2 - 5.0
Dividend yield |  | 0% |  | 0%

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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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 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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