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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Equity and Stock-Based Compensation - Summary of Stock Options Outstanding and Exercisable (Details) - $ / shares	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Options Outstanding
Number Outstanding	608,269
Stock Options
Options Outstanding
Number Outstanding	608,269	696,665	1,068,665	1,248,758
Remaining Contractual Life	6 years 2 months 12 days
Weighted Average Exercise Price Per Share	$ 6.48	$ 7.00	$ 7.04	$ 7.69
Options Exercisable
Number Exercisable	403,853	611,542	842,083
Weighted Average Exercise Price Per Share	$ 6.87	$ 7.19	$ 7.45
Stock Options \| 2.95-4.90
Options Outstanding
Range of Exercise Prices, Lower limit	2.95
Range of Exercise Prices, Upper limit	$ 4.90
Number Outstanding	77,750
Remaining Contractual Life	6 years 7 months 2 days
Weighted Average Exercise Price Per Share	$ 4.63
Options Exercisable
Number Exercisable	71,084
Weighted Average Exercise Price Per Share	$ 4.61
Stock Options \| 5.07-5.07
Options Outstanding
Range of Exercise Prices, Lower limit	5.07
Range of Exercise Prices, Upper limit	$ 5.07
Number Outstanding	2,800
Remaining Contractual Life	5 years 1 month 17 days
Weighted Average Exercise Price Per Share	$ 5.07
Options Exercisable
Number Exercisable	2,800
Weighted Average Exercise Price Per Share	$ 5.07
Stock Options \| 5.25-5.25
Options Outstanding
Range of Exercise Prices, Lower limit	5.25
Range of Exercise Prices, Upper limit	$ 5.25
Number Outstanding	69,175
Remaining Contractual Life	4 years 1 month 2 days
Weighted Average Exercise Price Per Share	$ 5.25
Options Exercisable
Number Exercisable	69,175
Weighted Average Exercise Price Per Share	$ 5.25
Stock Options \| 5.26-5.52
Options Outstanding
Range of Exercise Prices, Lower limit	5.26
Range of Exercise Prices, Upper limit	$ 5.52
Number Outstanding	88,375
Remaining Contractual Life	7 years 6 months 21 days
Weighted Average Exercise Price Per Share	$ 5.43
Options Exercisable
Number Exercisable	42,375
Weighted Average Exercise Price Per Share	$ 5.50
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	141,500
Remaining Contractual Life	9 years 1 month 17 days
Weighted Average Exercise Price Per Share	$ 5.67
Stock Options \| 5.75-7.01
Options Outstanding
Range of Exercise Prices, Lower limit	5.75
Range of Exercise Prices, Upper limit	$ 7.01
Number Outstanding	83,250
Remaining Contractual Life	3 years 5 months 15 days
Weighted Average Exercise Price Per Share	$ 6.70
Options Exercisable
Number Exercisable	79,000
Weighted Average Exercise Price Per Share	$ 6.70
Stock Options \| 7.40-7.98
Options Outstanding
Range of Exercise Prices, Lower limit	7.40
Range of Exercise Prices, Upper limit	$ 7.98
Number Outstanding	47,919
Remaining Contractual Life	5 years 3 months 10 days
Weighted Average Exercise Price Per Share	$ 7.51
Options Exercisable
Number Exercisable	47,919
Weighted Average Exercise Price Per Share	$ 7.51
Stock Options \| 9.98-9.98
Options Outstanding
Range of Exercise Prices, Lower limit	9.98
Range of Exercise Prices, Upper limit	$ 9.98
Number Outstanding	67,500
Remaining Contractual Life	3 years 1 month 20 days
Weighted Average Exercise Price Per Share	$ 9.98
Options Exercisable
Number Exercisable	67,500
Weighted Average Exercise Price Per Share	$ 9.98
Stock Options \| 9.99-10.71
Options Outstanding
Range of Exercise Prices, Lower limit	9.99
Range of Exercise Prices, Upper limit	$ 10.71
Number Outstanding	12,000
Remaining Contractual Life	6 years 8 months 12 days
Weighted Average Exercise Price Per Share	$ 10.35
Options Exercisable
Number Exercisable	6,000
Weighted Average Exercise Price Per Share	$ 10.71
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	18,000
Remaining Contractual Life	9 years 5 months 23 days
Weighted Average Exercise Price Per Share	$ 11.51
Options Exercisable
Number Exercisable	18,000
Weighted Average Exercise Price Per Share	$ 11.51