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Share-Based Payment Awards - Stock Options - Additional Information (Detail)	6 Months Ended
	Dec. 31, 2018 shares
2016 Long Term Incentive Plan [Member]
Class of Stock [Line Items]
Contractual life of option grants	10 years
Common stock vested during the period	409,891
Employees [Member] | 2016 Long Term Incentive Plan [Member]
Class of Stock [Line Items]
Options granted	165,000
Ratable annual vesting period of equity awards	3 years
Non-executive Directors [Member] | 2016 Long Term Incentive Plan [Member]
Class of Stock [Line Items]
Options granted	1,667
Ratable annual vesting period of equity awards	1 year
External consultant [Member]
Class of Stock [Line Items]
Options granted	99,816
Ratable annual vesting period of equity awards	1 year
Newly Appointed Non Executive Director [Member]
Class of Stock [Line Items]
Options granted	95,000
Ratable annual vesting period of equity awards	3 years

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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

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-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=109197908&loc=d3e5070-113901

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Number of options vested.

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