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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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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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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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- 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
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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, 2020	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Options Outstanding
Number Outstanding	696,665
Stock Options
Options Outstanding
Number Outstanding	696,665	1,068,665	1,248,758	1,560,441
Remaining Contractual Life	4 years 8 months 1 day
Weighted Average Exercise Price Per Share	$ 7.00	$ 7.04	$ 7.69	$ 7.95
Options Exercisable
Number Exercisable	611,542	842,083	1,014,300
Weighted Average Exercise Price Per Share	$ 7.19	$ 7.45	$ 7.93
Stock Options \| 2.95-4.77
Options Outstanding
Range of Exercise Prices, Lower limit	2.95
Range of Exercise Prices, Upper limit	$ 4.77
Number Outstanding	83,500
Remaining Contractual Life	5 years 3 days
Weighted Average Exercise Price Per Share	$ 4.12
Options Exercisable
Number Exercisable	70,168
Weighted Average Exercise Price Per Share	$ 4.00
Stock Options \| 4.85-5.07
Options Outstanding
Range of Exercise Prices, Lower limit	4.85
Range of Exercise Prices, Upper limit	$ 5.07
Number Outstanding	59,350
Remaining Contractual Life	7 years 5 months 4 days
Weighted Average Exercise Price Per Share	$ 4.95
Options Exercisable
Number Exercisable	53,100
Weighted Average Exercise Price Per Share	$ 4.93
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	85,912
Remaining Contractual Life	4 years 9 months 21 days
Weighted Average Exercise Price Per Share	$ 5.25
Options Exercisable
Number Exercisable	85,912
Weighted Average Exercise Price Per Share	$ 5.25
Stock Options \| 5.40-5.40
Options Outstanding
Range of Exercise Prices, Lower limit	5.40
Range of Exercise Prices, Upper limit	$ 5.40
Number Outstanding	6,000
Remaining Contractual Life	5 years 3 months 14 days
Weighted Average Exercise Price Per Share	$ 5.40
Options Exercisable
Number Exercisable	6,000
Weighted Average Exercise Price Per Share	$ 5.40
Stock Options \| 5.52-5.52
Options Outstanding
Range of Exercise Prices, Lower limit	5.52
Range of Exercise Prices, Upper limit	$ 5.52
Number Outstanding	100,000
Remaining Contractual Life	6 years 9 months 18 days
Weighted Average Exercise Price Per Share	$ 5.52
Options Exercisable
Number Exercisable	49,625
Weighted Average Exercise Price Per Share	$ 5.52
Stock Options \| 5.75-6.60
Options Outstanding
Range of Exercise Prices, Lower limit	5.75
Range of Exercise Prices, Upper limit	$ 6.60
Number Outstanding	30,500
Remaining Contractual Life	7 years 2 months 23 days
Weighted Average Exercise Price Per Share	$ 5.99
Options Exercisable
Number Exercisable	22,000
Weighted Average Exercise Price Per Share	$ 5.75
Stock Options \| 7.01-7.01
Options Outstanding
Range of Exercise Prices, Lower limit	7.01
Range of Exercise Prices, Upper limit	$ 7.01
Number Outstanding	70,000
Remaining Contractual Life	3 years
Weighted Average Exercise Price Per Share	$ 7.01
Options Exercisable
Number Exercisable	70,000
Weighted Average Exercise Price Per Share	$ 7.01
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	123,767
Remaining Contractual Life	3 years 5 months 12 days
Weighted Average Exercise Price Per Share	$ 7.76
Options Exercisable
Number Exercisable	117,101
Weighted Average Exercise Price Per Share	$ 7.78
Stock Options \| 8.20-9.94
Options Outstanding
Range of Exercise Prices, Lower limit	8.2
Range of Exercise Prices, Upper limit	$ 9.94
Number Outstanding	17,935
Remaining Contractual Life	1 year 7 months 17 days
Weighted Average Exercise Price Per Share	$ 9.31
Options Exercisable
Number Exercisable	17,935
Weighted Average Exercise Price Per Share	$ 9.31
Stock Options \| 9.98-22.26
Options Outstanding
Range of Exercise Prices, Lower limit	9.98
Range of Exercise Prices, Upper limit	$ 22.26
Number Outstanding	119,701
Remaining Contractual Life	3 years 2 months 15 days
Weighted Average Exercise Price Per Share	$ 11.72
Options Exercisable
Number Exercisable	119,701
Weighted Average Exercise Price Per Share	$ 11.72