Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 24,702,714	$ (13,331,533)	$ (51,712,936)
Adjustments to reconcile net income(loss) to net cash provided by (used) in operating activities:
Depreciation and amortization	56,569	33,051	43,052
Non-cash interest expense	175,493	298,790	327,479
Stock-based compensation	3,518,351	1,757,259	1,843,365
Deferred income tax benefit	(500,000)	0	0
Changes in operating assets and liabilities:
Accounts receivable	15,116,822	(15,116,822)	0
Prepaid expenses and other assets	715,533	308,917	503,785
Accounts payable	672,326	837,477	(392,594)
Accrued expenses	(8,393,698)	2,728,985	1,676,209
Deferred revenue	(34,550,572)	35,050,572	0
Other non-current liabilities	189,565	314,831	347,826
Net cash provided by (used in) operating activities	1,703,103	12,881,527	(47,363,814)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale/maturity of investments	250,000	1,124,999	0
Purchases of investments	0	0	(1,387,022)
Purchases of property and equipment	(22,451)	(133,403)	(17,695)
Net cash provided by (used in) investing activities	227,549	991,596	(1,404,717)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on capital lease obligations	(14,324)	(27,424)	(25,872)
Payment of withholding taxes related to restricted stock units	(45,165)	(2,708)	(190,360)
Payment on debt obligations	(8,000,000)	(5,666,666)	0
Proceeds from the exercise of stock options	157,792	0	0
Proceeds from exercise of common stock warrants	2,511,030	164,358	0
Proceeds from the sale of common stock and warrants, net of costs	1,259,862	23,856,973	19,834,278
Proceeds from the issuance of notes payable and warrants	0	0	10,000,000
Payment of debt issuance costs	0	0	(146,115)
Net cash provided by financing activities	(4,130,805)	18,324,533	29,471,931
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(2,200,153)	32,197,656	(19,296,600)
CASH AND CASH EQUIVALENTS, beginning of period	40,200,324	8,002,668	27,299,268
CASH AND CASH EQUIVALENTS, end of period	38,000,171	40,200,324	8,002,668
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest	1,084,158	1,676,954	1,836,743
Issuance of warrants in connection with debt financing	$ 0	$ 0	$ 305,196