Consolidated Statements of Cash Flows (unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (12,086,108)	$ (19,264,414)
Change in value of derivatives	(1,483,831)	23,524
Stock-based compensation	2,424,442	2,380,343
Depreciation and amortization	1,185,611	794,349
Amortization of note premiums		108,403
Changes in operating assets and liabilities:
Accounts receivable	15,000	(1,054,719)
Prepaid expenses and Other Current Assets	1,027,021	(490,057)
Deferred revenue	25,652,536
Accounts payable	(4,648,013)	257,216
Accrued expenses	(1,850,996)	(3,945,503)
Other	(235,471)	42,789
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	10,000,191	(21,148,069)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(5,296,653)	(406,612)
Proceeds from sale of marketable securities		3,000,000
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(5,296,653)	2,593,388
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on capital leases and notes payable	(47,277)	(54,051)
Payments of taxes for net share settled restricted stock unit issuances	(417,140)	(440,534)
Proceeds from the issuance of common stock	12,500,000
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	12,035,583	(494,585)
NET INCREASE (DECREASE) IN CASH	16,739,121	(19,049,266)
CASH AT BEGINNING OF PERIOD	85,366,448	81,214,354
CASH AT END OF PERIOD	102,105,569	62,165,088
Supplementary disclosures:
Interest paid	(48,195)	$ (3,054)
Property and Equipment expenditures included in accounts payable and accrued expenses	$ (1,041,276)