XML 73 R54.htm IDEA: XBRL DOCUMENT v3.21.2

Equity-Based Compensation - Fair Value of Underlying Common Stock and Exercise Price of Stock Options (Details) - $ / shares	Sep. 30, 2021	Sep. 30, 2020
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of underlying common stock (dollars per share)	$ 1.15	$ 1.19
Exercise price of common stock option (dollars per share)	1.15	1.19
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of underlying common stock (dollars per share)	2.57	2.80
Exercise price of common stock option (dollars per share)	2.57	2.80
Weighted Average
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of underlying common stock (dollars per share)	1.87	1.91
Exercise price of common stock option (dollars per share)	$ 1.87	$ 1.94

X

- Definition

Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- 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

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: