Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (54,450,478)	$ (34,380,295)	$ (81,723,002)
Change in value of derivatives	(432,141)	(890,362)	301,022
Contingent consideration - fair value adjustments			(5,862,464)
Noncash impairment expense			2,050,817
Stock-based compensation	8,454,607	7,891,595	11,595,816
Depreciation and amortization	4,699,275	4,690,440	3,260,045
Amortization/(accretion) of note premiums	383,075	(43,519)	231,902
Changes in operating assets and liabilities:
Accounts receivable	(259,578)	7,203	(75,000)
Prepaid expenses and Other Current Assets	319,166	2,814,509	(1,020,734)
Deferred revenue	(5,269,140)	157,981	5,000,000
Accounts payable	(1,270,416)	(3,509,995)	2,554,802
Accrued expenses	1,016,506	(401,777)	(871,833)
Other	(414,293)	(274,752)	131,143
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(47,223,417)	(23,938,972)	(64,427,486)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(1,421,252)	(7,918,198)	(3,860,237)
Purchases of marketable securities	(52,083,131)	(44,974,736)
Proceeds from sale of marketable securities	46,069,420	4,248,716	17,308,000
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(7,434,963)	(48,644,218)	13,447,763
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on notes payable	(208,506)	(197,790)	(217,549)
Payments of taxes for net share settled restricted stock unit issuances	(54,667)	(438,838)	(634,187)
Proceeds from the exercises of warrants and stock options	3,631,164	272,818	3,752,120
Proceeds from the issuance of common stock	56,585,035	12,419,119	52,231,433
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	59,953,026	12,055,309	55,131,817
NET INCREASE (DECREASE) IN CASH	5,294,646	(60,527,881)	4,152,094
CASH AT BEGINNING OF PERIOD	24,838,567	85,366,448	81,214,354
CASH AT END OF PERIOD	30,133,213	24,838,567	85,366,448
Supplementary disclosures:
Interest Paid	(173,381)	(187,647)	(11,287)
Property and equipment purchased through tenant improvement allowance financing			(4,849,360)
Property and Equipment expenditures included in accounts payable and accrued expenses			(4,801,930)
Income Tax Credits Refunded		3,635,016	1,365,288
Income Tax Paid	$ (2,400)	$ (2,400)	$ (2,400)