Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	IDT Corporation Stockholders Class A Common Stock	IDT Corporation Stockholders Class B Common Stock	IDT Corporation Stockholders Additional Paid-In Capital	IDT Corporation Stockholders Treasury Stock	IDT Corporation Stockholders Accumulated Other Comprehensive Loss	IDT Corporation Stockholders Accumulated Deficit	Noncontrolling Interests	Total
Beginning Balance at Jul. 31, 2018	$ 33	$ 256	$ 294,047	$ (85,597)	$ (4,972)	$ (173,103)	$ 639	$ 31,303
Adjustment from the adoption of change in revenue recognition						9,064		9,064
Adjustment from the adoption of change in accounting for equity investments					33	1,140		1,173
BALANCE AT AUGUST 1, 2018 at Jul. 31, 2018	33	256	294,047	(85,597)	(4,939)	(162,899)	639	41,540
Repurchases of Class B common stock through repurchase program				(3,854)				(3,854)
Stock-based compensation			413					413
Distributions to noncontrolling interests							(339)	(339)
Other comprehensive loss/income					522			522
Net loss						(2,299)	301	(1,998)
Ending Balance at Oct. 31, 2018	33	256	294,460	(89,451)	(4,417)	(165,198)	601	36,284
Beginning Balance at Jul. 31, 2019	33	258	273,313	(51,739)	(4,858)	(160,763)	(2,687)	53,557
Exercise of stock options			276					276
Stock-based compensation			1,364					1,364
Distributions to noncontrolling interests							(240)	(240)
Other comprehensive loss/income					(1,204)			(1,204)
Net loss						(1,513)	91	(1,422)
Ending Balance at Oct. 31, 2019	$ 33	$ 258	$ 274,953	$ (51,739)	$ (6,062)	$ (162,276)	$ (2,836)	$ 52,331