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Amount of noncash expense for share-based payment arrangement.

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-Publisher FASB
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-Topic 230
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-Section 45
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Description of method used to estimate fair value of award under share-based payment arrangement.

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-Section 50
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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.

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

+ References

No definition available.

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

+ References

No definition available.

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Percentage of vesting of award under share-based payment arrangement.

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EQUITY - Stock options (Detail) $ / shares in Units, $ in Thousands	1 Months Ended			3 Months Ended
	Sep. 30, 2018 employee $ / shares shares	Aug. 31, 2017 $ / shares shares	Jul. 31, 2017 employee shares	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($) employee shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation \| $				$ 8	$ 56
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option valuation method				Black-Scholes valuation model
Stock options granted (in shares)			135,000		400,000
Number of employees \| employee	102		11		102
Stock-based compensation \| $				$ 200	$ 100
Stock options \| 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			0.33%
Stock options \| 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			0.33%
Stock options \| 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			0.33%
Chief Executive Officer (CEO) \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	400,000	19,047
Exercise price (in dollars per share) \| $ / shares	$ 8.75	$ 5.25
Chief Financial Officer ("CFO") \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)		25,000
Exercise price (in dollars per share) \| $ / shares		$ 5.25
Chief Financial Officer ("CFO") \| Stock options \| 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		0.33%
Chief Financial Officer ("CFO") \| Stock options \| 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		0.33%
Chief Financial Officer ("CFO") \| Stock options \| 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		0.33%