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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
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&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
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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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- 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, 2019	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Options Outstanding
Number Outstanding	1,068,665
Stock Options
Options Outstanding
Number Outstanding	1,068,665	1,248,758	1,560,441	1,841,567
Remaining Contractual Life	4 years 10 months 13 days
Weighted Average Exercise Price Per Share	$ 7.04	$ 7.69	$ 7.95	$ 8.15
Options Exercisable
Number Exercisable	842,083	1,014,300	1,055,865
Weighted Average Exercise Price Per Share	$ 7.45	$ 7.93	$ 8.58
Stock Options \| 2.95-4.85
Options Outstanding
Range of Exercise Prices, Lower limit	2.95
Range of Exercise Prices, Upper limit	$ 4.85
Number Outstanding	116,430
Remaining Contractual Life	6 years 2 months 19 days
Weighted Average Exercise Price Per Share	$ 3.95
Options Exercisable
Number Exercisable	45,750
Weighted Average Exercise Price Per Share	$ 5.00
Stock Options \| 4.87-5.07
Options Outstanding
Range of Exercise Prices, Lower limit	4.87
Range of Exercise Prices, Upper limit	$ 5.07
Number Outstanding	60,750
Remaining Contractual Life	6 years 11 months 8 days
Weighted Average Exercise Price Per Share	$ 5.02
Options Exercisable
Number Exercisable	91,430
Weighted Average Exercise Price Per Share	$ 3.73
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	168,674
Remaining Contractual Life	4 years 1 month 13 days
Weighted Average Exercise Price Per Share	$ 5.25
Options Exercisable
Number Exercisable	147,424
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	6 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	152,000
Remaining Contractual Life	9 years 1 month 28 days
Weighted Average Exercise Price Per Share	$ 5.52
Stock Options \| 5.75-6.15
Options Outstanding
Range of Exercise Prices, Lower limit	5.75
Range of Exercise Prices, Upper limit	$ 6.15
Number Outstanding	68,469
Remaining Contractual Life	3 years 6 months
Weighted Average Exercise Price Per Share	$ 5.96
Options Exercisable
Number Exercisable	68,469
Weighted Average Exercise Price Per Share	$ 5.96
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	133,250
Remaining Contractual Life	2 years 8 months 19 days
Weighted Average Exercise Price Per Share	$ 7.01
Options Exercisable
Number Exercisable	133,250
Weighted Average Exercise Price Per Share	$ 7.01
Stock Options \| 7.15-7.98
Options Outstanding
Range of Exercise Prices, Lower limit	7.15
Range of Exercise Prices, Upper limit	$ 7.98
Number Outstanding	143,976
Remaining Contractual Life	4 years 1 month 2 days
Weighted Average Exercise Price Per Share	$ 7.75
Options Exercisable
Number Exercisable	130,644
Weighted Average Exercise Price Per Share	$ 7.79
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	18,428
Remaining Contractual Life	2 years 7 months 2 days
Weighted Average Exercise Price Per Share	$ 9.33
Options Exercisable
Number Exercisable	18,428
Weighted Average Exercise Price Per Share	$ 9.33
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	200,688
Remaining Contractual Life	3 years 5 months 8 days
Weighted Average Exercise Price Per Share	$ 11.79
Options Exercisable
Number Exercisable	200,688
Weighted Average Exercise Price Per Share	$ 11.79