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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 6 Months Ended
--- | ---
Oct. 31, 2021 | Nov. 01, 2020
Cash flows from operating activities: |  |
Net income (loss) | $ 3,101,000 | $ (349,000)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: |  |
Depreciation | 3,471,000 | 3,538,000
Amortization | 267,000 | 235,000
Stock-based compensation | 709,000 | 474,000
Deferred income taxes | (319,000) | 4,419,000
Realized (gain) loss from the sale of short-term investments (Available for Sale) | (4,000) | 6,000
Income from investment in unconsolidated joint venture |  | (167,000)
Foreign currency exchange loss | 170,000 | 723,000
Changes in assets and liabilities: |  |
Accounts receivable | 5,441,000 | (7,663,000)
Inventories | (7,750,000) | 602,000
Other current assets | 39,000 | (1,175,000)
Other assets | (987,000) | (40,000)
Accounts payable – trade | (2,269,000) | 14,156,000
Deferred revenue | 139,000 | (127,000)
Accrued expenses and deferred compensation | (2,908,000) | 6,019,000
Income taxes | (428,000) | 2,052,000
Net cash (used in) provided by operating activities | (1,328,000) | 22,703,000
Cash flows from investing activities: |  |
Capital expenditures | (3,901,000) | (2,041,000)
Proceeds from the sale of equipment |  | 12,000
Investment in unconsolidated joint venture |  | (90,000)
Proceeds from the maturity of short-term investments (Held to Maturity) | 3,200,000 | 1,800,000
Purchase of short-term and long-term investments (Held to Maturity) | (8,876,000) | (1,245,000)
Purchase of short-term investments (Available for Sale) | (4,371,000) | (5,010,000)
Proceeds from the sale of short-term investments (Available for Sale) | 306,000 | 455,000
Proceeds from the sale of long-term investments (rabbi trust) |  | 77,000
Purchase of long-term investments (rabbi trust) | (580,000) | (257,000)
Net cash used in investing activities | (14,222,000) | (6,299,000)
Cash flows from financing activities: |  |
Payments associated with lines of credit |  | (30,772,000)
Payment associated with Paycheck Protection Program Loan |  | (7,606,000)
Dividends paid | (2,699,000) | (2,583,000)
Common stock repurchased | (1,752,000) |
Common stock surrendered for withholding taxes payable | (50,000) | (25,000)
Payments of debt issuance costs |  | (15,000)
Net cash used in financing activities | (4,501,000) | (41,001,000)
Effect of exchange rate changes on cash and cash equivalents | (2,000) | 95,000
Decrease in cash and cash equivalents | (20,053,000) | (24,502,000)
Cash and cash equivalents at beginning of period | 37,009,000 | 69,790,000
Cash and cash equivalents at end of period | $ 16,956,000 | $ 45,288,000

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