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Note 10 - Fair Value Measurement - Fair Value Hierarchy (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Oct. 30, 2021 | May 01, 2021
--- | --- | ---
Cash and cash equivalents | $ 59,727 | $ 77,590
Restricted cash | 1,877 | 2,812
Derivatives - asset position | 20 | 4
Derivatives - liability position | (196) | (261)
Fair Value, Net Asset (Liability), Total | 61,428 | 79,782
Acquisition-related contingent consideration |  | (363)
Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 59,727 | 77,590
Restricted cash | 1,877 | 2,812
Derivatives - asset position | 0 | 0
Derivatives - liability position | 0 | 0
Fair Value, Net Asset (Liability), Total | 61,604 | 80,402
Acquisition-related contingent consideration |  | 0
Fair Value, Inputs, Level 2 [Member] |  |
Cash and cash equivalents | 0 | 0
Restricted cash | 0 | 0
Derivatives - asset position | 20 | 4
Derivatives - liability position | (196) | (261)
Fair Value, Net Asset (Liability), Total | (176) | (257)
Acquisition-related contingent consideration |  | 0
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
Fair Value, Net Asset (Liability), Total | $ 0 | (363)
Acquisition-related contingent consideration |  | $ (363)

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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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