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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 31, 2022 | Jul. 31, 2021 | Jul. 31, 2020
OPERATING ACTIVITIES |  |  |
Net income | $ 29,005 | $ 96,891 | $ 21,418
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 18,115 | 17,764 | 20,406
Deferred income taxes | 4,801 | (32,793) | (3,805)
Provision for doubtful accounts receivable | 2,330 | 1,782 | 3,109
Net unrealized loss (gain) from marketable securities | 18,960 | (3,262) | (140)
Stock-based compensation | 1,930 | 1,490 | 3,856
Other | 3,379 | (4,096) | 492
Changes in assets and liabilities: |  |  |
Trade accounts receivable | (21,322) | (3,728) | 11,702
Disbursement prefunding, prepaid expenses, other current assets, and other assets | (8,003) | (2,247) | (1,719)
Trade accounts payable, accrued expenses, other current liabilities, and other liabilities | (1,110) | (264) | (12,081)
Customer deposits at IDT Financial Services Limited (Gibraltar-based bank) | (15,966) | (6,906) | (70,401)
Deferred revenue | (2,712) | 1,989 | (2,428)
Net cash provided by (used in) operating activities | 29,407 | 66,620 | (29,591)
INVESTING ACTIVITIES |  |  |
Capital expenditures | (21,879) | (16,765) | (16,041)
Payments for acquisitions, net of cash acquired | (7,552) | (3,673) | (450)
Cash acquired from acquisition of interest in variable interest entity |  | 3,336 |
Purchase of Rafael Holdings, Inc. Class B common stock and warrant |  | (5,000) |
Exercise of warrant to purchase shares of Rafael Holdings, Inc. Class B common stock |  | (1,000) |
Purchase of convertible preferred stock in equity method investment | (1,051) | (4,000) |
Purchases of debt securities and equity investments | (24,454) | (43,187) | (22,429)
Proceeds from maturities and sales of debt securities and redemption of equity investments | 21,157 | 26,230 | 6,457
Net cash used in investing activities | (33,779) | (44,059) | (32,463)
FINANCING ACTIVITIES |  |  |
Distributions to noncontrolling interests | (514) | (848) | (934)
Payment for acquisition of warrant in variable interest entity |  | (791) |
Proceeds from other liabilities | 2,301 | 729 |
Repayment of other liabilities | (1,319) | (108) | (510)
Proceeds from sale of redeemable equity in subsidiary | 10,000 |  |
Proceeds from note payable |  |  | 10,000
Repayment of note payable |  |  | (10,000)
Proceeds from borrowings under revolving credit facility | 2,566 |  | 1,429
Repayments of borrowings under revolving credit facility | (2,566) |  | (1,429)
Proceeds from exercise of stock options | 137 | 687 | 276
Repurchases of Class B common stock | (26,222) | (4,192) | (4,482)
Net cash used in financing activities | (15,617) | (4,523) | (5,650)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash and cash equivalents | (17,365) | 7,656 | 11,727
Net (decrease) increase in cash, cash equivalents, and restricted cash and cash equivalents | (37,354) | 25,694 | (55,977)
Cash, cash equivalents, and restricted cash and cash equivalents at beginning of year | 226,916 | 201,222 | 257,199
Cash, cash equivalents, and restricted cash and cash equivalents at end of year | 189,562 | 226,916 | 201,222
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION |  |  |
Cash payments made for interest | 461 | 486 | 388
Cash payments made for income taxes | 109 | 193 | 60
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING AND INVESTING ACTIVITIES |  |  |
Liabilities incurred for acquisitions | 7,849 | 628 | 375
Shares of the Company’s Class B common stock issued for acquisition | 1,000 |  |
Cashless exercise of stock options in exchange for shares of the Company’s Class B common stock | 14,930 |  |
Stock issued for matching contributions to the 401(k) Plan |  | $ 1,042 |

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