Consolidated Statements of Operations (Unaudited) (Parentheticals) - $ / shares	3 Months Ended	6 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Weighted average basic and diluted earnings per common share	$ 3.20	$ 1.24	$ 5.08	$ 3.16
Weighted average basic and diluted net investment income (loss) per common share (in Dollars per share)	$ 0.85	$ 0.48	$ 1.63	$ 0.55
Weighted average common shares outstanding - basic and diluted (see Note 11) (in Shares) (in Shares)	2,095,193	2,397,911	2,098,041	2,458,222

The amount of net income or loss for the period per each share in instances when diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

No definition available.

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