Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Operating activities
Net income (loss)	$ 12,555	$ (2,345)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	4,790	4,446
Deferred income taxes	3,672	(413)
Provision for doubtful accounts receivable	430	716
Net unrealized loss from marketable securities	1,846	13,386
Stock-based compensation	572	285
Other	756	1,718
Changes in assets and liabilities:
Trade accounts receivable	5,185	(5,638)
Disbursement prefunding, prepaid expenses, other current assets, and other assets	(7,123)	(7,563)
Trade accounts payable, accrued expenses, other current liabilities, and other liabilities	(6,970)	3,265
Customer deposits at IDT Financial Services Limited (Gibraltar-based bank)	2,865	(13,069)
Deferred revenue	(394)	(641)
Net cash provided by (used in) operating activities	18,184	(5,853)
Investing activities
Capital expenditures	(5,172)	(4,353)
Purchase of convertible preferred stock in equity method investment		(1,051)
Purchases of debt securities and equity investments	(2,058)	(6,260)
Proceeds from maturities and sales of debt securities and redemption of equity investments	11,472	3,867
Net cash provided by (used in) investing activities	4,242	(7,797)
Financing activities
Distributions to noncontrolling interests	(99)	(183)
Proceeds from other liabilities	300	2,302
Repayment of other liabilities	(1,916)	(1,242)
Proceeds from sale of redeemable equity in subsidiary		10,000
Repurchases of Class B common stock	(5,341)	(26)
Net cash (used in) provided by financing activities	(7,056)	10,851
Effect of exchange rate changes on cash, cash equivalents, and restricted cash and cash equivalents	(6,157)	(2,257)
Net increase (decrease) in cash, cash equivalents, and restricted cash and cash equivalents	9,213	(5,056)
Cash, cash equivalents, and restricted cash and cash equivalents at beginning of period	189,562	226,916
Cash, cash equivalents, and restricted cash and cash equivalents at end of period	198,775	221,860
Supplemental Schedule of Non-Cash Financing Activities
Stock issued to certain executive officers for bonus payments	$ 615