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v3.21.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2021 | Apr. 30, 2020 | Apr. 30, 2019
Operating activities |  |  |
Net income | $ 23,345 | $ 41,070 | $ 47,419
Loss (gain) on sale of business, net of tax |  | 265 | (8,490)
Loss from discontinued operations, net of tax |  |  | 2,964
Net income from continuing operations | 23,345 | 41,335 | 41,893
Adjustments to reconcile net income from continuing operations to cash provided by operating activities from continuing operations: |  |  |
Depreciation and amortization | 19,262 | 9,888 | 7,669
Losses from equity method investments, net | 10,481 | 5,487 | 3,944
Amortization of debt issuance costs | 145 |  |
Realized gain from sale of available-for-sale investments | (11) | (180) |
Impairment of long-lived assets |  |  | 4,398
Provision for doubtful accounts | (114) | 388 | (39)
Other non-cash gain, net | (449) | (703) |
Non-cash lease expense | 5,150 | 4,574 |
Loss on foreign currency transactions | 1 | 1 | 38
Deferred income taxes | (1,694) | 3,419 | 4,792
Stock-based compensation | 6,932 | 6,227 | 6,985
Loss (gain) on sale of property and equipment | 123 | (71) | 76
Amortization of debt securities | 309 | (1,423) | (1,506)
Changes in operating assets and liabilities, net of acquisitions: |  |  |
Accounts receivable | 17,177 | (42,869) | 25,821
Unbilled receivables and retentions | 8,381 | (22,790) | (36,175)
Inventories | (5,179) | 8,855 | (16,631)
Income tax receivable |  | 821 | (821)
Prepaid expenses and other assets | (6,104) | 831 | (2,401)
Accounts payable | 2,565 | 3,127 | (7,054)
Other liabilities | 6,212 | 8,180 | (4,043)
Net cash provided by operating activities | 86,532 | 25,097 | 26,946
Investing activities |  |  |
Acquisition of property and equipment | (11,263) | (11,220) | (8,896)
Equity method investments | (2,675) | (14,498) | (7,598)
Business acquisitions, net of cash acquired | (385,614) | (18,641) |
Proceeds from sale of business |  |  | 31,994
Proceeds from sale of property and equipment |  | 81 |
Redemptions of held-to-maturity investments |  | 185,917 | 260,918
Purchases of held-to-maturity investments |  | (176,757) | (267,122)
Redemptions of available-for-sale investments | 146,425 | 200,892 | 2,250
Purchases of available-for-sale investments | (125,644) | (106,607) |
Net cash (used in) provided by investing activities | (378,771) | 59,167 | 11,546
Financing activities |  |  |
Principal payments of capital lease obligations. |  |  | (161)
Payment of contingent consideration |  | (868) |
Tax withholding payment related to net settlement of equity awards | (1,992) | (1,062) | (1,094)
Holdback and retention payments for business acquisition | (1,492) |  |
Exercise of stock options | 1,522 | 100 | 71
Payment of debt issuance costs | (3,878) |  |
Proceeds from long-term debt | 200,000 |  |
Net cash used in financing activities | 194,160 | (1,830) | (1,184)
Discontinued operations |  |  |
Operating activities of discontinued operations | 0 | 0 | (7,686)
Investing activities of discontinued operations | 0 | 0 | (431)
Net cash used in discontinued operations | 0 | 0 | (8,117)
Net (decrease) increase in cash, cash equivalents, and restricted cash | (98,079) | 82,434 | 29,191
Cash, cash equivalents and restricted cash at beginning of period | 255,142 | 172,708 | 143,517
Cash, cash equivalents and restricted cash at end of period | 157,063 | 255,142 | 172,708
Cash paid, net during the period for: |  |  |
Income taxes | 2,405 | 532 | 6,780
Non-cash activities |  |  |
Unrealized (loss) gain on investments, net of deferred tax expense of $1, $14 and $51 for the fiscal years ended 2021, 2020 and 2019, respectively | (60) | 50 | 57
Issuance of common stock for business acquisition | 72,384 |  |
Change in foreign currency translation adjustments | 75 | 276 | (34)
Issuances of inventory to property and equipment, ISR in-service assets | 769 |  |
Acquisitions of property and equipment included in accounts payable | $ 756 | $ 1,425 | $ 810

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