Equity Compensation Plans - 2021 and 2018 Equity Compensation Plans (Details)	12 Months Ended
Sep. 30, 2022 shares
2021 Plan
Equity Compensation Plans
Number of common shares approved for issuance (in shares)	427,500
Number of shares available for issuance (in shares)	284,472
2018 Plan
Equity Compensation Plans
Number of common shares approved for issuance (in shares)	346,000
Number of shares available for issuance (in shares)	36,935
Stock Options
Equity Compensation Plans
Number of Savoy options converted (in shares)	71,900

Gross number of share options (or share units) converted in acquisition during the period.

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- References

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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