Note 7 - Debt Securities (Tables)

9 Months Ended

Apr. 30, 2026

Debt Securities, Available-for-Sale [Table Text Block]

(in thousands)	*Amortized Cost*		*Gross Unrealized Gains*		*Gross Unrealized Losses*			*Fair Value*
April 30, 2026
U.S. Treasury bills and notes	$	15,799	$	-	$	(15	)	$	15,784
Government sponsored enterprise notes		8,000		-		(10	)		7,990
Corporate bonds		2,917		3		(137	)		2,783
Total	$	26,716	$	3	$	(162	)	$	26,557

July 31, 2025
U.S. Treasury bills and notes	$	12,953	$	-	$	(27	)	$	12,926
Government sponsored enterprise notes		5,554		-		(4	)		5,550
Corporate bonds		3,367		2		(196	)		3,173
Total	$	21,874	$	2	$	(227	)	$	21,649

Investments Classified by Contractual Maturity Date [Table Text Block]

(in thousands)	*Fair Value*
Within one year	$	24,512
After one year to five years		1,796
After five years to ten years		239
After ten years		10
Total	$	26,557

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

(in thousands)	*Unrealized Losses*			*Fair Value*
April 30, 2026
U.S. Treasury bills and notes	$	(15	)	$	15,784
Government sponsored enterprise notes		(10	)		7,990
Corporate bonds		(137	)		2,783
Total	$	(162	)	$	26,557

July 31, 2025
U.S. Treasury bills and notes	$	(27	)	$	12,926
Government sponsored enterprise notes		(4	)		5,550
Corporate bonds		(196	)		2,976
Total	$	(227	)	$	21,452

(in thousands)	Unrealized Losses			Fair Value
April 30, 2026
U.S. Treasury bills and notes	$	(9	)	$	337
Corporate bonds		(136	)		2,462
Total	$	(145	)	$	2,799

July 31, 2025
U.S. Treasury bills and notes	$	(19	)	$	329
Corporate bonds		(195	)		2,967
Total	$	(214	)	$	3,296

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aaa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

+ Details

IDT CORP 10-Q