Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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

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Share-Based Compensation - 2019 Stock-Based Incentive Compensation Plan (Details) - USD ($)		12 Months Ended
	Aug. 27, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Share-based compensation.
Common stock, shares authorized		75,000,000	75,000,000
Share-based compensation expense		$ 177,000	$ 173,000	$ 200,000
Options
Outstanding at the beginning of the period (in shares)		550,834	550,834
Outstanding at the end of the period (in shares)		104,500	550,834	550,834
2019 Plan
Share-based compensation.
Common stock, shares authorized		139,691
Number of shares of common stock reserved for awards		750,000
Number of shares of common stock available for awards under the plan		716,635
2019 Plan \| Employee
Share-based compensation.
Number of shares of common stock reserved for awards		300,000
2019 Plan \| Options
Share-based compensation.
Share-based compensation expense		$ 17,337	$ 0	$ 0
Options
Granted (in shares)		100,000
Outstanding at the end of the period (in shares)		100,000
Vested and expected to vest (in shares)		100,000
Weighted Average Exercise Price
Granted (in dollars per share)		$ 7.10
Outstanding at the end of the period (in dollars per share)		7.10
Vested and expected to vest (in dollars per share)		$ 7.10
2019 Plan \| Options \| Chief Financial Officer
Options
Granted (in shares)	100,000