SHAREHOLDERS' EQUITY - Investor Warrants and Placement Agent Warrants (Details) - USD ($)
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3 Months Ended |
9 Months Ended |
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Mar. 28, 2017 |
Mar. 17, 2017 |
Mar. 31, 2017 |
Mar. 31, 2017 |
Jun. 30, 2016 |
Jun. 30, 2015 |
| SHAREHOLDERS' EQUITY |
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| Exercise price (in dollars per share) |
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$ 12.64
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| Equity issuance costs adjusted towards additional paid-in capital |
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$ 197,000
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| Weighted average assumptions: |
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| Risk-free interest rate (as a percent) |
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0.00%
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| Expected dividend yield (as a percent) |
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0.00%
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| Registration Rights Agreement |
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| SHAREHOLDERS' EQUITY |
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| Registration right agreement arrangement term |
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P135D
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| Piggyback registration right term |
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P2Y
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| Private Placement Offering | Series A Preferred Stock |
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| SHAREHOLDERS' EQUITY |
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| Preferred Stock Issuance (in shares) |
511
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680
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| Exercise price (in dollars per share) |
$ 3.50
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| Investor Warrants | Private Placement Offering | Series A Preferred Stock |
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| SHAREHOLDERS' EQUITY |
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| Fair value of warrants |
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$ 181,931
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$ 181,931
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$ 181,931
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| Weighted average assumptions: |
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| Expected term (in years) |
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1 year 11 months 16 days
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| Expected volatility (as a percent) |
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130.00%
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| Risk-free interest rate (as a percent) |
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2.39%
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| Investor Warrants | Private Placement Offering | Common Stock | Series A Preferred Stock |
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| SHAREHOLDERS' EQUITY |
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| Warrants issued to purchase common stock |
223
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| Placement Agent Warrants | Private Placement Offering | Series A Preferred Stock |
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| SHAREHOLDERS' EQUITY |
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| Accrue rate per annum of purchase price of monetary penalties payable by the company to the holders of registrable shares |
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12.00%
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| Weighted average assumptions: |
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| Expected term (in years) |
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1 year 11 months 16 days
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| Expected volatility (as a percent) |
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130.00%
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| Risk-free interest rate (as a percent) |
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2.39%
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| Placement Agent Warrants | Private Placement Offering | Series A Preferred Stock | Maximum |
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| SHAREHOLDERS' EQUITY |
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| Percentage of aggregate purchase price |
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5.00%
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| Subscription Agreements | Private Placement Offering | Series A Preferred Stock |
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| SHAREHOLDERS' EQUITY |
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| Preferred Stock Issuance (in shares) |
511
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680
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| Subscription Agreements | Investor Warrants | Private Placement Offering | Common Stock | Series A Preferred Stock |
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| SHAREHOLDERS' EQUITY |
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| Warrants issued to purchase common stock |
113,953
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151,640
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| Placement Agent | Placement Agent Warrants | Private Placement Offering | Series A Preferred Stock |
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| SHAREHOLDERS' EQUITY |
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| Warrants issued to purchase common stock |
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31,529
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31,529
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| Exercise price (in dollars per share) |
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$ 3.00
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$ 3.00
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$ 3.00
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| Fair value of warrants |
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$ 22,985
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$ 22,985
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| Equity issuance costs adjusted towards additional paid-in capital |
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232,078
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| Equity issuance costs charged to general administrative and other operating costs |
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$ 35,451
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