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Equity Instruments (Details 4) - $ / shares | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
Number of Warrants Outstanding |  |  |  |
Number of Warrants Outstanding, Beginning Balance | 2,201,627 | 8,553 | 8,553 |
Granted in fiscal 2015 |  |  | 0 |
Expired in fiscal 2015 |  |  | 0 |
Warrants issued to placement agents for convertible promissory notes |  | 22,254 |  |
Issuance of settlement warrants to initial investors | 88,032 |  |  |
Warrants issued to investors in connection with the registered offering | 6,020,245 | 1,733,322 |  |
Warrants issued to placement agents for convertible promissory notes |  | 22,564 |  |
Warrants issued to placement agents for the registered offering | 401,450 | 109,375 |  |
aWarrants issued to convertible note holders who converted May 5, 2016 |  | 305,559 |  |
Number of Warrants Outstanding, Ending Balance | 8,711,354 | 2,201,627 | 8,553 | 8,553
Warrants, Weighted Average Exercise Price |  |  |  |
Weighted Average Exercise Price, Outstanding Beginning Balance | $ 6.19 | $ 54.36 | $ 54.36 |
Granted in fiscal 2015 |  |  | 0 |
Expired in fiscal 2015 |  |  | 0 |
Warrants issued to placement agents for convertible promissory notes |  | 7.8 |  |
Issuance of settlement warrants to initial investors | 4.00 |  |  |
Warrants issued to investors in connection with the registered offering | $ 1.86 | 6.00 |  |
Warrants issued to placement agents for convertible promissory notes |  | 4.80 |  |
Warrants issued to placement agents for the registered offering | 1.86 | 6.00 |  |
Warrants issued to convertible note holders who converted May 5, 2016 |  | 6.00 |  |
Weighted Average Exercise Price, Outstanding Ending Balance | $ 2.98 | $ 6.19 | $ 54.36 | $ 54.36
Weighted Average Remaining Contractual Life |  |  |  |
Weighted Average Remaining Contractual Life, Warrants Outstanding (in years) | 4 years 6 months 4 days | 4 years 8 months 16 days | 2 years 11 months 1 day | 3 years 11 months 1 day

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