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OTHER COMPREHENSIVE INCOME (LOSS) (Schedule of Components of Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Other comprehensive income
Available-for-sale investments before tax	$ (51)	$ (14)
Tax benefit (expense)	15	4
Available-for-sale investments after tax	(36)	(10)
Other comprehensive income, net before tax	(51)	(14)
Tax benefit (expense), Total	15	4
Other comprehensive income, net after tax	$ (36)	$ (10)

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