Cash Flows	12 Months Ended
Sep. 30, 2022
Supplemental Cash Flow Elements [Abstract]
Cash Flows	17. Cash Flows Non-cash investing activities may include capital expenditures in accounts payable, representing additions purchased at period end but not yet paid in cash. Non-cash investing activities for the year ended September 30, 2022 included $0.2 million of capital expenditures in accounts payable. There were no non-cash capital expenditures in accounts payable for the year ended September 30, 2021. Non-cash investing activities for the year ended September 30, 2020 included $80,000 of capital expenditures in accounts payable.

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-URI https://asc.fasb.org/topic&trid=2134446

Name:	us-gaap_CashFlowSupplementalDisclosuresTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration