Share based compensation arrangement by share based payment award award grant date.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ 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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

+ Details

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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- Details

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- Details

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Share-Based Compensation - Summary of Share Option Granted, Exercise Price, Fair Value, Intrinsic Value (Detail) - $ / shares			9 Months Ended
	Oct. 31, 2019	Jul. 16, 2019	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options Granted	57,106	28,517	85,623
Exercise Price			$ 8.69
Ordinary Shares Fair Value Per Share at Grant Date	$ 7.78	$ 10.52
July 16, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant Date			Jul. 16, 2019
Number of Options Granted			28,517
Exercise Price			$ 10.52
Ordinary Shares Fair Value Per Share at Grant Date			10.52
Per Share Intrinsic Value of Options			$ 6.48
October 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant Date			Oct. 31, 2019
Number of Options Granted			57,106
Exercise Price			$ 7.78
Ordinary Shares Fair Value Per Share at Grant Date			7.78
Per Share Intrinsic Value of Options			$ 4.90