Income (Loss) Per Share of Common Stock	9 Months Ended
Apr. 30, 2025
Earnings Per Share [Abstract]
Income (Loss) Per Share of Common Stock	2. Income (Loss) Per Share of Common Stock: Income (loss) per share has been computed by dividing the net income (loss) for the periods by the weighted average number of shares of common stock outstanding during the periods, adjusted for the purchase of treasury stock. Shares used in computing income (loss) per share were 2,015,780 for the three and nine months ended April 30, 2025 and 2024, respectively.

The entire disclosure for earnings per share.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/260/tableOfContent

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-3

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