CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (118,762,184)	$ (16,228,893)
Adjustments to reconcile net loss to net cash used in operating activities:
Changes in fair value of warrant liabilities	86,378,330
Loss on induced exchanges of debt	13,005,329
Depreciation and amortization	212,535	225,862
Amortization of deferred revenue	(16,794)	(15,107)
Amortization of bond premiums	(14,007)	94,380
Amortization of debt issuance costs	1,569,116	182,454
Amortization of deferred rent	(9,066)	24,879
(Gain) loss on sale of marketable securities	(286)	15,040
Increase (decrease) in allowance for doubtful accounts	3,218	(10,590)
Non-cash expense related to stock compensation	583,525	774,042
Changes in operating assets and liabilities	(3,520,451)	(1,870,432)
Net cash used in operating activities	(20,570,735)	(16,808,365)
Cash flows from investing activities:
Purchases of marketable securities	(244,890)
Proceeds from sales/maturities of marketable securities	15,124,483	12,712,000
Purchases of property and equipment	(788,518)	(647,572)
Net cash provided by investing activities	14,091,075	12,064,428
Cash flows from financing activities:
Sale of common stock and warrants, net of related expenses	5,906,251
Exercise of stock options	611,670	105,133
Direct cost of raising equity	(419,054)
Tax withholding payments for stock compensation	(51,134)	(105,229)
Net cash provided by (used in) financing activities	6,047,733	(96)
Effect of changes in exchange rates on cash and cash equivalents	(2,353)	5,015
Net decrease in cash and cash equivalents	(434,280)	(4,739,018)
Cash and cash equivalents beginning of period	43,393,570	13,203,625
Cash and cash equivalents end of period	42,959,290	8,464,607
Supplemental disclosure of cash flow information:
Interest paid	2,375,000	$ 2,375,000
Schedule of non-cash financing activities:
Convertible Senior Notes converted to common stock	80,000,000
Reclass of warrant liability to capital contributed in excess of par	$ 11,241,662