CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (273,886,970)	$ (153,266,286)	$ (59,135,716)
Adjustments to reconcile net loss to net cash used in operating activities:
Changes in fair value of warrant liabilities	108,635,809	61,073,808	0
Warrant related expense	0	7,649,395	0
Depreciation and amortization	1,297,273	923,348	737,661
Interest on non-recourse debt	19,789,995	0	0
Loss on induced exchanges of debt	13,005,329	0	0
Deferred revenue, net of amortization	(77,298)	(64,405)	(36,295)
Amortization of bond premiums	30,795	218,426	669,858
Amortization of debt issuance costs	1,678,589	729,821	729,821
Amortization of deferred rent	278,977	8,996	99,516
Loss (gain) on sale of marketable securities	434	15,682	(1,844)
(Decrease) increase in allowance for doubtful accounts	(9,371)	(61,932)	20,369
Non-cash expense related to stock compensation	4,023,697	4,333,430	3,740,526
Non-cash decrease in value of life insurance policy	0	0	20,566
Non-cash financing expenses	0	346,568	0
Changes in operating assets and liabilities
Accounts receivable - net of reserve	452,321	102,640	(190,300)
Inventories - net of reserve	580,016	(195,958)	256,381
Other receivables	(30,000)	223,340	620,300
Prepaid expenses	(2,911,299)	146,871	97,948
Other current assets	(5,293,365)	(241,775)	761,803
Accounts payable and accrued expenses	(1,515,818)	15,807,887	3,147,606
Purchases from sales/maturities of marketable securities	(133,950,886)	(62,250,144)	(48,461,800)
Cash flows from investing activities:
Purchases of marketable securities	(10,380,182)	(131,610,011)	(2,749,117)
Purchases from sales/maturities of marketable securities	95,111,926	57,183,499	50,850,088
Purchases of property and equipment	(9,974,683)	(1,837,167)	(2,226,256)
Net cash provided by (used in) investing activities	74,757,061	(76,263,679)	45,874,715
Cash flows from financing activities:
Exercise of stock options	2,261,240	4,290,103	2,732,962
Exercise of warrants	78,225,940	0	0
Sale of preferred stock, net of related expenses	0	121,781,941	0
Proceeds from public offering of common stock	299,466,900	28,578,473	0
Proceeds from private offering of common stock	67,784,000	14,700,000	0
Proceeds from the issuance of non-recourse debt	182,216,000	0	0
Debt conversion fees	(530,064)	0	0
Tax withholding payments for stock compensation	(1,521,484)	(547,021)	(368,984)
Net cash provided by financing activities	627,902,532	168,803,496	2,363,978
Effect of changes in exchange rates on cash and cash equivalents	(45,775)	(99,728)	(26,043)
Net increase (decrease) in cash and cash equivalents	568,662,932	30,189,945	(249,150)
Cash and cash equivalents, beginning balance	43,393,570	13,203,625	13,452,775
Cash and cash equivalents, ending balance	612,056,502	43,393,570	13,203,625
Supplemental disclosure of cash flow information:
Accrued capital expenditures	2,850,000	4,750,000	4,802,778
Income taxes paid	0	23,636	28,679
Schedule for non-cash investing and financing activities:
Issuance of Common Shares for Debt Conversion	92,307,266	0	0
Accrued capital expenditures	$ 2,173,038	$ 0	$ 0