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Equity Instruments (Details 3) - $ / shares | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Jun. 30, 2016
Number of Warrants Outstanding |  |
Number of Warrants Outstanding, Beginning Balance | 2,201,627 |
Issuance of settlement warrants to initial investors | 88,032 |
Warrants issued to investors in connection with the registered offering | 6,020,245 |
Warrants issued to placement agents for the registered offering | 401,450 |
Number of Warrants Outstanding, Ending Balance | 8,711,354 | 2,201,627
Warrants, Weighted Average Exercise Price |  |
Weighted Average Exercise Price, Outstanding Beginning Balance | $ 6.19 |
Issuance of settlement warrants to initial investors | 4 |
Warrants issued to investors in connection with the registered offering | 1.86 |
Warrants issued to placement agents for the registered offering | 1.86 |
Weighted Average Exercise Price, Outstanding Ending Balance | $ 2.98 | $ 6.19
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

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