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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jul. 29, 2017 | Jul. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 8,429 | $ 5,539
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |
Depreciation and amortization | 4,460 | 4,600
(Gain) loss on sale of property, equipment and other assets | (17) | 31
Share-based compensation | 672 | 709
Equity in loss of affiliate | 85 | 0
Provision for doubtful accounts | 14 | 7
Deferred income taxes, net | 30 | 3
Change in operating assets and liabilities | (18,586) | (4,291)
Net cash (used in) provided by operating activities | (4,913) | 6,598
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchases of property and equipment | (4,092) | (2,157)
Proceeds from sale of property, equipment and other assets | 63 | 64
Purchases of marketable securities | 0 | (2,394)
Proceeds from sales or maturities of marketable securities | 7,643 | 6,856
Purchases of equity investment | (607) | 0
Net cash provided by investing activities | 3,007 | 2,369
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Payments on notes payable | 0 | (4)
Proceeds from exercise of stock options | 211 | 0
Principal payments on long-term obligations | (1,018) | (896)
Dividends paid | (3,094) | (4,409)
Payments for common shares repurchased | 0 | (1,825)
Net cash used in financing activities | (3,901) | (7,134)
EFFECT OF EXCHANGE RATE CHANGES ON CASH | 52 | (383)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS | (5,755) | 1,450
CASH AND CASH EQUIVALENTS: |  |
Beginning of period | 32,623 | 28,328
End of period | 26,868 | 29,778
Cash payments for: |  |
Interest | 103 | 104
Income taxes, net of refunds | 1,586 | 50
Supplemental schedule of non-cash investing and financing activities: |  |
Demonstration equipment transferred to inventory | 48 | 73
Purchase of property and equipment included in accounts payable | 797 | 209
Contributions of common stock under the ESPP | $ 820 | $ 0

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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition The fair value of stock issued in noncash financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 + Details
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