Consolidated Statements of Cash Flows - Total cash, cash equivalents and restricted cash - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Reconciliation of cash, cash equivalents
Cash and cash equivalents	$ 9,855	$ 9,579
Restricted cash and cash equivalents	9,445	6,749
Restricted foreign currency	17	241
Total cash, cash equivalents and restricted cash presented in consolidated statements of cash flows	$ 19,317	$ 16,569

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant