Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (13,052,770)	$ (12,409,919)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	7,630	10,654
Non-cash interest expense	82,266	80,739
Stock-based compensation	403,208	300,394
Changes in operating assets and liabilities:
Prepaid expenses and other assets	312,160	137,095
Accounts payable	445,537	2,239,604
Accrued expenses	5,116,857	156,062
Other non-current liabilities	86,184	86,957
Net cash used in operating activities	(6,598,928)	(9,398,414)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	0	(17,695)
Net cash used in investing activities	0	(17,695)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on capital lease obligations	(6,707)	(6,328)
Payment of withholding taxes related to restricted stock units	0	(131,959)
Payments on notes payable obligations	(1,000,000)	0
Proceeds from the sale of warrants, net of costs	8,470,897	19,919,883
Proceeds from the issuance of notes payable and warrants	0	10,000,000
Payment of debt issuance costs	0	(140,964)
Net cash provided by financing activities	7,464,190	29,640,632
NET INCREASE IN CASH AND CASH EQUIVALENTS	865,262	20,224,523
CASH AND CASH EQUIVALENTS, beginning of period	8,002,668	27,299,268
CASH AND CASH EQUIVALENTS, end of period	8,867,930	47,523,791
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest	457,800	460,313
Issuance of warrants in connection with debt financing	0	305,196
Unrealized loss on available-for-sale investments	577	0
Non-cash equity financing costs in accounts payable	21,029	85,605
Non-cash equity financing costs in accrued expenses	65,000	0
Non-cash debt financing costs in accounts payable	$ 0	$ 5,151