Consolidated Statement of Stockholders' Equity (unaudited) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Non-controlling Interest
Beginning Balance, Amount at Sep. 30, 2018	$ 95,241,001	$ 180,875	$ 582,902,694	$ (21,564)	$ (487,265,816)	$ (555,188)
Beginning Balance, Shares at Sep. 30, 2018		88,505,302
Stock-based compensation	7,276,875		7,276,875
Exercise of stock options, Amount	6,442,005	$ 1,244	6,440,761
Exercise of stock options, Shares		1,244,161
Common stock - restricted stock units vesting, Amount		$ 2,197	(2,197)
Common stock - restricted stock units vesting, Shares		2,197,305
Common stock - issued for cash, Amount	60,521,729	$ 3,261	60,518,468
Common stock - issued for cash, Shares		3,260,869
Foreign currency translation adjustments	(81,514)			(81,514)
Net income (loss)	56,269,944				56,269,944
Ending Balance, Amount at Jun. 30, 2019	225,670,040	$ 187,577	657,136,601	(103,078)	(430,995,872)	(555,188)
Ending Balance, Shares at Jun. 30, 2019		95,207,637
Beginning Balance, Amount at Mar. 31, 2019	200,640,237	$ 187,035	652,411,876	(71,906)	(451,331,580)	(555,188)
Beginning Balance, Shares at Mar. 31, 2019		94,665,718
Stock-based compensation	1,957,993		1,957,993
Exercise of stock options, Amount	2,767,274	$ 542	2,766,732
Exercise of stock options, Shares		541,919
Foreign currency translation adjustments	(31,172)			(31,172)
Net income (loss)	20,335,708				20,335,708
Ending Balance, Amount at Jun. 30, 2019	225,670,040	$ 187,577	657,136,601	(103,078)	(430,995,872)	(555,188)
Ending Balance, Shares at Jun. 30, 2019		95,207,637
Beginning Balance, Amount at Sep. 30, 2019	244,036,252	$ 187,876	664,086,155	(391,624)	(419,290,967)	(555,188)
Beginning Balance, Shares at Sep. 30, 2019		95,506,271
Stock-based compensation	27,509,663		27,509,663
Exercise of stock options, Amount	$ 6,464,422	$ 989	6,463,433
Exercise of stock options, Shares	989,197	989,197
Common stock - restricted stock units vesting, Amount		$ 1,155	(1,155)
Common stock - restricted stock units vesting, Shares		1,155,404
Common stock - issued for cash, Amount	$ 250,478,974	$ 4,600	250,474,374
Common stock - issued for cash, Shares		4,600,000
Foreign currency translation adjustments	216,405			216,405
Net income (loss)	(36,120,511)				(36,120,511)
Ending Balance, Amount at Jun. 30, 2020	492,585,205	$ 194,620	948,532,470	(175,219)	(455,411,478)	(555,188)
Ending Balance, Shares at Jun. 30, 2020		102,250,872
Beginning Balance, Amount at Mar. 31, 2020	493,563,470	$ 194,117	936,353,920	(629,114)	(441,800,265)	(555,188)
Beginning Balance, Shares at Mar. 31, 2020		101,748,107
Stock-based compensation	10,046,208		10,046,208
Exercise of stock options, Amount	2,132,845	$ 303	2,132,542
Exercise of stock options, Shares		302,765
Common stock - restricted stock units vesting, Amount		$ 200	(200)
Common stock - restricted stock units vesting, Shares		200,000
Foreign currency translation adjustments	453,895			453,895
Net income (loss)	(13,611,213)				(13,611,213)
Ending Balance, Amount at Jun. 30, 2020	$ 492,585,205	$ 194,620	$ 948,532,470	$ (175,219)	$ (455,411,478)	$ (555,188)
Ending Balance, Shares at Jun. 30, 2020		102,250,872