Consolidated Statement of Stockholders' Equity (unaudited) - USD ($)	Total	Common stock issued for cash at $5.25 per share	Common Stock	Common Stock Common stock issued for cash at $5.25 per share	Additional Paid-In Capital	Additional Paid-In Capital Common stock issued for cash at $5.25 per share	Accumulated Other Comprehensive Income (loss)	Accumulated Deficit	Non-controlling Interest
Beginning Balance, Amount at Sep. 30, 2017	$ 80,867,162		$ 167,155		$ 514,037,301		$ 33,232	$ (432,815,338)	$ (555,188)
Beginning Balance, Shares at Sep. 30, 2017			74,785,426
Stock-based compensation	3,549,354				3,549,354
Exercise of stock options, Amount	193,125		$ 79		193,046
Exercise of stock options, Shares			79,374
Exercise of warrants, Amount	666,230		$ 209		666,021
Exercise of warrants, Shares			208,473
Common stock- Restricted Stock Units vesting, Amount	(54,668)		$ 997		(55,665)
Common stock- Restricted Stock Units vesting, Shares			997,125
Common stock issued		$ 56,585,035		$ 11,500		$ 56,573,535
Common stock issued, Shares				11,500,000
Foreign currency translation adjustments	(7,967)						(7,967)
Net income (loss)	(28,083,189)							(28,083,189)
Ending Balance, Amount at Mar. 31, 2018	113,715,082		$ 179,940		574,963,592		25,265	(460,898,527)	(555,188)
Ending Balance, Shares at Mar. 31, 2018			87,570,398
Beginning Balance, Amount at Dec. 31, 2017	70,199,310		$ 167,287		516,577,723		23,704	(446,014,216)	(555,188)
Beginning Balance, Shares at Dec. 31, 2017			74,917,876
Stock-based compensation	1,456,813				1,456,813
Exercise of stock options, Amount	193,125		$ 79		193,046
Exercise of stock options, Shares			79,374
Exercise of warrants, Amount	218,217		$ 87		218,130
Exercise of warrants, Shares			86,023
Common stock- Restricted Stock Units vesting, Amount	(54,668)		$ 987		(55,655)
Common stock- Restricted Stock Units vesting, Shares			987,125
Common stock issued		$ 56,585,035		$ 11,500		$ 56,573,535
Common stock issued, Shares				11,500,000
Foreign currency translation adjustments	1,561						1,561
Net income (loss)	(14,884,311)							(14,884,311)
Ending Balance, Amount at Mar. 31, 2018	113,715,082		$ 179,940		574,963,592		25,265	(460,898,527)	(555,188)
Ending Balance, Shares at Mar. 31, 2018			87,570,398
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		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	$ 60,521,729		$ 3,261		60,518,468
Common stock issued, 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