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Marketable Securities (Details 3) - USD ($) $ in Thousands | Jun. 02, 2018 | Mar. 03, 2018
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Money market funds | $ 2,179 | $ 2,901
Mutual funds | 2,273 |
Municipal and corporate bonds | 121 | 423
Total short-term securities | 2,394 |
Commercial paper |  | 400
Total cash equivalents |  | 3,301
Municipal and corporate bonds | 12,738 | 8,630
Total assets at fair value | 17,311 | 12,354
Quoted Prices in Active Markets (Level 1) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Money market funds | 2,179 | 2,901
Mutual funds | 2,273 |
Municipal and corporate bonds | 0 | 0
Total short-term securities | 2,273 |
Commercial paper |  | 0
Total cash equivalents |  | 2,901
Municipal and corporate bonds | 0 | 0
Total assets at fair value | 4,452 | 2,901
Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Money market funds | 0 | 0
Mutual funds | 0 |
Municipal and corporate bonds | 121 | 423
Total short-term securities | 121 |
Commercial paper |  | 400
Total cash equivalents |  | 400
Municipal and corporate bonds | 12,738 | 8,630
Total assets at fair value | $ 12,859 | $ 9,453

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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