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	5,318,882		5,318,882
Exercise of stock options, Amount	3,674,731	$ 702	3,674,029
Exercise of stock options, Shares		702,242
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	(50,342)			(50,342)
Net income (loss)	35,934,235				35,934,235
Ending Balance, Amount at Mar. 31, 2019	200,640,236	$ 187,035	652,411,876	(71,906)	(451,331,581)	(555,188)
Ending Balance, Shares at Mar. 31, 2019		94,665,718
Beginning Balance, Amount at Dec. 31, 2018	171,500,031	$ 184,961	647,142,565	(43,744)	(475,228,563)	(555,188)
Beginning Balance, Shares at Dec. 31, 2018		92,591,457
Stock-based compensation	2,601,348		2,601,348
Exercise of stock options, Amount	2,670,037	$ 536	2,669,501
Exercise of stock options, Shares		535,915
Common stock - restricted stock units vesting, Amount		$ 1,538	(1,538)
Common stock - restricted stock units vesting, Shares		1,538,346
Foreign currency translation adjustments	(28,162)			(28,162)
Net income (loss)	23,896,982				23,896,982
Ending Balance, Amount at Mar. 31, 2019	200,640,236	$ 187,035	652,411,876	(71,906)	(451,331,581)	(555,188)
Ending Balance, Shares at Mar. 31, 2019		94,665,718
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	17,463,455		17,463,455
Exercise of stock options, Amount	$ 4,331,577	$ 686	4,330,891
Exercise of stock options, Shares	686,432	686,432
Common stock - restricted stock units vesting, Amount		$ 955	(955)
Common stock - restricted stock units vesting, Shares		955,404
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	(237,490)			(237,490)
Net income (loss)	(22,509,298)				(22,509,298)
Ending Balance, Amount at Mar. 31, 2020	493,563,470	$ 194,117	936,353,920	(629,114)	(441,800,265)	(555,188)
Ending Balance, Shares at Mar. 31, 2020		101,748,107
Beginning Balance, Amount at Dec. 31, 2019	499,528,643	$ 193,481	922,050,595	(195,550)	(421,964,695)	(555,188)
Beginning Balance, Shares at Dec. 31, 2019		101,111,797
Stock-based compensation	12,971,702		12,971,702
Exercise of stock options, Amount	1,330,024	$ 214	1,329,810
Exercise of stock options, Shares		214,239
Common stock - restricted stock units vesting, Amount		$ 422	(422)
Common stock - restricted stock units vesting, Shares		422,071
Common stock - issued for cash, Amount	2,235		2,235
Foreign currency translation adjustments	(433,564)			(433,564)
Net income (loss)	(19,835,570)				(19,835,570)
Ending Balance, Amount at Mar. 31, 2020	$ 493,563,470	$ 194,117	$ 936,353,920	$ (629,114)	$ (441,800,265)	$ (555,188)
Ending Balance, Shares at Mar. 31, 2020		101,748,107