Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021
Beginning Balance	$ 142,457	$ 160,970
Other comprehensive income	1,007	378
Ending Balance	121,647	142,457
Unrealized Gains (Losses) on Available-for-Sale Securities
Beginning Balance	(15)
Other comprehensive income		(15)
Ending Balance	(15)	(15)
Foreign Currency Translation Adjustments
Beginning Balance	(16,305)	(16,698)
Other comprehensive income	1,007	393
Ending Balance	(15,298)	(16,305)
Accumulated Other Comprehensive Loss
Beginning Balance	(16,320)	(16,698)
Other comprehensive income	1,007	378
Ending Balance	$ (15,313)	$ (16,320)

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details