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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2016
OPERATING ACTIVITIES |  |  |  |  |
Net income | $ 5,199 |  | $ 9,641 |  | $ 25,358
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |
Depreciation and amortization | 22,801 |  | 21,704 |  | 20,535
Deferred income taxes | 6,174 |  | (2,329) |  | 3,809
Provision for doubtful accounts receivable | 2,199 | [1] | 686 | [1] | 1,519
Gain on sale of interest in Fabrix Systems Ltd. |  |  |  |  | (1,086)
Gain on sale of member interest in Visa Europe Ltd. |  |  |  |  | (7,476)
Net realized loss (gain) from marketable securities | 16 |  | (323) |  | (543)
Interest in the equity of investments | (9) |  | (356) |  | 362
Stock-based compensation | 3,581 |  | 3,740 |  | 2,680
Change in assets and liabilities: |  |  |  |  |
Restricted cash and cash equivalents | (13,500) |  | (17,702) |  | (22,548)
Trade accounts receivable | (6,668) |  | (17,972) |  | 616
Prepaid expenses, other current assets and other assets | (18,889) |  | (4,856) |  | 8,372
Trade accounts payable, accrued expenses, other current liabilities and other liabilities | 12,769 |  | 17,344 |  | (10,099)
Customer deposits | 14,660 |  | 18,980 |  | 25,344
Deferred revenue | (21,439) |  | (9,543) |  | 2,211
Net cash provided by operating activities | 6,894 |  | 19,014 |  | 49,054
INVESTING ACTIVITIES |  |  |  |  |
Capital expenditures | (20,567) |  | (22,949) |  | (18,370)
Proceeds from sale of interest in Straight Path IP Group Holding, Inc. | 6,000 |  |  |  |
Purchase of IP interest from Straight Path Communications Inc. | (6,000) |  |  |  |
Payment for acquisition, net of cash acquired |  |  | (1,827) |  |
Proceeds from sale of interest in Fabrix Systems Ltd. |  |  |  |  | 9,557
Proceeds from sale of member interest in Visa Europe Ltd | (53) |  |  |  | 5,597
Cash used for purchase of investments |  |  | (9,438) |  | (2,002)
Proceeds from sales and redemptions of investments |  |  | 15 |  | 634
Purchases of marketable securities | (22,523) |  | (53,402) |  | (46,909)
Proceeds from maturities and sales of marketable securities | 41,502 |  | 47,996 |  | 35,011
Net cash used in investing activities | (1,641) |  | (39,605) |  | (16,482)
FINANCING ACTIVITIES |  |  |  |  |
Dividends paid | (13,941) |  | (17,874) |  | (17,358)
Distributions to noncontrolling interests | (1,040) |  | (1,482) |  | (1,834)
Sales of Class B common stock to Howard S. Jonas |  |  | 24,930 |  |
Proceeds from sale of interest and rights in Rafael Pharmaceuticals, Inc. to Howard S. Jonas |  |  | 1,000 |  |
Proceeds from sale of member interests in CS Pharma Holdings, LLC |  |  | 1,250 |  | 8,750
Cash deconsolidated as a result of spin-off | (9,287) |  |  |  | (6,381)
Proceeds from sale of Zedge equity prior to the spin-off |  |  |  |  | 374
Proceeds from exercise of stock options |  |  | 836 |  |
Proceeds from borrowings under revolving credit facility | 22,320 |  |  |  |
Repayments of borrowings including revolving credit facility | (22,320) |  |  |  | (6,353)
Repurchases of Class B common stock | (2,293) |  | (1,838) |  | (4,773)
Net cash (used in) provided by financing activities | (26,561) |  | 6,822 |  | (27,575)
Effect of exchange rate changes on cash and cash equivalents | (771) |  | 292 |  | (5,821)
Net decrease in cash and cash equivalents | (22,079) |  | (13,477) |  | (824)
Cash and cash equivalents at beginning of year, including $5,716, $5,536 and $571 held for sale at July 31, 2017, 2016 and 2015, respectively (see Note 3) | 96,060 |  | 109,537 |  | 110,361
Cash and cash equivalents at end of year, including $5,892, $5,716 and $5,536 held for sale at July 31, 2018, 2017 and 2016, respectively (see Note 3) | 73,981 |  | 96,060 |  | 109,537
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION |  |  |  |  |
Cash payments made for interest | 94 |  | 288 |  | 345
Cash payments made for income taxes | 192 |  | 576 |  | 779
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING AND INVESTING ACTIVITIES |  |  |  |  |
Net assets excluding cash and cash equivalents deconsolidated as a result of spin-off | $ (105,632) |  |  |  | (4,681)
Reclassification of liability for member interests in CS Pharma Holdings, LLC |  |  | $ 8,750 |  |
Shares of Visa Inc. Series C preferred stock received from sale of member interest in Visa Europe Ltd. |  |  |  |  | $ 1,580
[1] | Includes allowance for doubtful accounts of $2.2 million and $2.6 million held for sale at July 31, 2018 and 2017, respectively (see Note 3)

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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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