Consolidated Statements of Operations and Comprehensive Income (Loss) (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
REVENUE	$ 27,439	$ 21,303
OPERATING EXPENSES
Research and development	65,765	36,555
General and administrative expenses	24,995	8,802
TOTAL OPERATING EXPENSES	90,760	45,357
OPERATING INCOME (LOSS)	(63,321)	(24,054)
OTHER INCOME (EXPENSE)
Interest income, net	1,156	2,169
Other income (expense)	(707)	1,153
TOTAL OTHER INCOME (EXPENSE)	449	3,322
INCOME (LOSS) BEFORE INCOME TAXES	(62,872)	(20,732)
NET INCOME (LOSS)	$ (62,872)	$ (20,732)
NET INCOME (LOSS) PER SHARE - BASIC	$ (0.60)	$ (0.20)
NET INCOME (LOSS) PER SHARE - DILUTED	$ (0.60)	$ (0.20)
Weighted average shares outstanding - basic	104,534	102,757
Weighted average shares outstanding - diluted	104,534	102,757
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Foreign currency translation adjustments	$ (39)	$ 180
COMPREHENSIVE INCOME (LOSS)	$ (62,911)	$ (20,552)