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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- References

No definition available.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Equity and Stock-Based Compensation - Summary of Stock Options Outstanding and Exercisable (Details) - $ / shares	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Options Outstanding
Number Outstanding	672,924
Stock Options
Options Outstanding
Number Outstanding	672,924	589,341	608,269	696,665
Weighted Average Exercise Price Per Share	$ 8.76	$ 8.06	$ 6.48	$ 7
Options Exercisable
Number Exercisable	374,728	358,343	403,853
Weighted Average Exercise Price Per Share	$ 8.25	$ 6.92	$ 6.87
Stock Options \| 4.77-5.26
Options Outstanding
Range of Exercise Prices, Lower limit	4.77
Range of Exercise Prices, Upper limit	$ 5.26
Number Outstanding	71,183
Remaining Contractual Life	5 years 25 days
Weighted Average Exercise Price Per Share	$ 4.98
Options Exercisable
Number Exercisable	69,517
Weighted Average Exercise Price Per Share	$ 4.97
Stock Options \| 5.40-5.52
Options Outstanding
Range of Exercise Prices, Lower limit	5.4
Range of Exercise Prices, Upper limit	$ 5.52
Number Outstanding	17,550
Remaining Contractual Life	4 years 2 months 4 days
Weighted Average Exercise Price Per Share	$ 5.48
Options Exercisable
Number Exercisable	17,550
Weighted Average Exercise Price Per Share	$ 5.48
Stock Options \| 5.67-5.67
Options Outstanding
Range of Exercise Prices, Lower limit	5.67
Range of Exercise Prices, Upper limit	$ 5.67
Number Outstanding	71,791
Remaining Contractual Life	7 years 1 month 17 days
Weighted Average Exercise Price Per Share	$ 5.67
Options Exercisable
Number Exercisable	55,958
Weighted Average Exercise Price Per Share	$ 5.67
Stock Options \| 5.75-8.82
Options Outstanding
Range of Exercise Prices, Lower limit	5.75
Range of Exercise Prices, Upper limit	$ 8.82
Number Outstanding	111,250
Remaining Contractual Life	7 years 6 months 14 days
Weighted Average Exercise Price Per Share	$ 7.92
Options Exercisable
Number Exercisable	43,959
Weighted Average Exercise Price Per Share	$ 7.01
Stock Options \| 8.93-8.93
Options Outstanding
Range of Exercise Prices, Lower limit	8.93
Range of Exercise Prices, Upper limit	$ 8.93
Number Outstanding	5,000
Remaining Contractual Life	9 years 7 months 28 days
Weighted Average Exercise Price Per Share	$ 8.93
Stock Options \| 9.00-9.00
Options Outstanding
Range of Exercise Prices, Lower limit	9
Range of Exercise Prices, Upper limit	$ 9
Number Outstanding	150,000
Remaining Contractual Life	9 years 10 months 13 days
Weighted Average Exercise Price Per Share	$ 9
Options Exercisable
Number Exercisable	50,000
Weighted Average Exercise Price Per Share	$ 9
Stock Options \| 9.27-9.27
Options Outstanding
Range of Exercise Prices, Lower limit	9.27
Range of Exercise Prices, Upper limit	$ 9.27
Number Outstanding	90,500
Remaining Contractual Life	9 years 2 months 1 day
Weighted Average Exercise Price Per Share	$ 9.27
Options Exercisable
Number Exercisable	12,000
Weighted Average Exercise Price Per Share	$ 9.27
Stock Options \| 9.98-10.22
Options Outstanding
Range of Exercise Prices, Lower limit	9.98
Range of Exercise Prices, Upper limit	$ 10.22
Number Outstanding	80,000
Remaining Contractual Life	3 years 3 months 10 days
Weighted Average Exercise Price Per Share	$ 10.03
Options Exercisable
Number Exercisable	80,000
Weighted Average Exercise Price Per Share	$ 10.03
Stock Options \| 11.51-11.51
Options Outstanding
Range of Exercise Prices, Lower limit	11.51
Range of Exercise Prices, Upper limit	$ 11.51
Number Outstanding	12,000
Remaining Contractual Life	7 years 5 months 23 days
Weighted Average Exercise Price Per Share	$ 11.51
Options Exercisable
Number Exercisable	12,000
Weighted Average Exercise Price Per Share	$ 11.51
Stock Options \| 15.43-15.43
Options Outstanding
Range of Exercise Prices, Lower limit	15.43
Range of Exercise Prices, Upper limit	$ 15.43
Number Outstanding	63,650
Remaining Contractual Life	8 years 25 days
Weighted Average Exercise Price Per Share	$ 15.43
Options Exercisable
Number Exercisable	33,744
Weighted Average Exercise Price Per Share	$ 15.43
Stock Options \| 4.77-15.43
Options Outstanding
Range of Exercise Prices, Lower limit	4.77
Range of Exercise Prices, Upper limit	$ 15.43
Number Outstanding	672,924
Remaining Contractual Life	7 years 5 months 8 days
Weighted Average Exercise Price Per Share	$ 8.76
Options Exercisable
Number Exercisable	374,728
Weighted Average Exercise Price Per Share	$ 8.25