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Note 14 - Fair Value Measurement - Fair Value Hierarchy (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | May 01, 2021 | May 02, 2020
--- | --- | ---
Cash and cash equivalents | $ 77,590 | $ 40,398
Restricted cash | 2,812 | 14
Derivatives - asset position | 4 | 261
Derivatives - liability position | (261) | (17)
Acquisition-related contingent consideration | (363) | (761)
Fair Value, Net Asset (Liability), Total | 79,782 | 41,125
Certificates of Deposit [Member] |  |
Available-for-sale securities: |  | 1,230
Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 77,590 | 40,398
Restricted cash | 2,812 | 14
Derivatives - asset position | 0 | 0
Derivatives - liability position | 0 | 0
Acquisition-related contingent consideration | 0 | 0
Fair Value, Net Asset (Liability), Total | 80,402 | 40,412
Fair Value, Inputs, Level 1 [Member] | Certificates of Deposit [Member] |  |
Available-for-sale securities: |  | 0
Fair Value, Inputs, Level 2 [Member] |  |
Cash and cash equivalents | 0 | 0
Restricted cash | 0 | 0
Derivatives - asset position | 4 | 261
Derivatives - liability position | (261) | (17)
Acquisition-related contingent consideration | 0 | 0
Fair Value, Net Asset (Liability), Total | (257) | 1,474
Fair Value, Inputs, Level 2 [Member] | Certificates of Deposit [Member] |  |
Available-for-sale securities: |  | 1,230
Fair Value, Inputs, Level 3 [Member] |  |
Cash and cash equivalents | 0 | 0
Restricted cash | 0 | 0
Derivatives - asset position | 0 | 0
Derivatives - liability position | 0 | 0
Acquisition-related contingent consideration | (363) | (761)
Fair Value, Net Asset (Liability), Total | $ (363) | (761)
Fair Value, Inputs, Level 3 [Member] | Certificates of Deposit [Member] |  |
Available-for-sale securities: |  | $ 0

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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