Basis of Presentation and New Significant Accounting Policy - Narrative (Details) $ / shares in Units, $ in Thousands		6 Months Ended
Feb. 21, 2024 $ / shares shares	Mar. 31, 2024 USD ($) segment $ / shares shares	Feb. 20, 2024 shares	Oct. 01, 2023 USD ($)	Sep. 30, 2023 USD ($) $ / shares shares
Basis of Presentation and New Significant Accounting Policy
Number of Operating Segments \| segment		2
Common stock, par value (in dollars per share) \| $ / shares	$ 0.01	$ 0.01			$ 0.01
Common stock, shares authorized \| shares	9,753,900	9,754,000	7,500,000		9,754,000
Stock split ratio	2
Percentage of stock dividend effected from stock split	100.00%	100.00%
Accounts receivable				$ 67
Net amount		$ 9,803		82	$ 11,395
Retained earnings		$ 32,378		$ 15	$ 31,311

Percentage of stock dividend effected from stock split.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Face amount or stated value per share of common stock.

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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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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Amount of accumulated undistributed earnings (deficit).

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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