Computation of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Current
Current Federal	$ (16)	$ (613)
Current Foreign	2,401	51
Current State	16
Total current income tax expenses (benefits)	2,401	(562)
Deferred:
Deferred Foreign	16	(18)
Total Deferred Income Tax Expense (benefits)	16	(18)
Income tax expense	$ 2,417	$ (580)