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Note 3 - Marketable Securities (Tables)

3 Months Ended

May 29, 2022

Notes Tables

Debt Securities, Available-for-Sale [Table Text Block]

		May 29, 2022
		Total				Level 1				Level 2				Level 3
U.S. Treasury and other government securities		$	72,635			$	72,635			$	-			$	-
U.S. corporate debt securities			30,359				30,359				-				-
Total marketable securities		$	102,994			$	102,994			$	-				-

		February 27, 2022
		Total				Level 1				Level 2				Level 3
U.S. Treasury and other government securities		$	62,612			$	62,612			$	-			$	-
U.S. corporate debt securities			34,938				34,938				-				-
Total marketable securities		$	97,550			$	97,550			$	-			$	-

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

		Amortized Cost Basis				Gross Unrealized Gains				Gross Unrealized Losses
May 29, 2022:
U.S. Treasury and other government securities		$	76,432			$	5			$	3,802
U.S. corporate debt securities			30,532				1				174
Total marketable securities		$	106,964			$	6			$	3,976
February 27, 2022:
U.S. Treasury and other government securities		$	65,177			$	5			$	2,570
U.S. corporate debt securities			35,064				5				131
Total marketable securities		$	100,241			$	10			$	2,701

Investments Classified by Contractual Maturity Date [Table Text Block]

Due in one year or less		$	64,123
Due after one year through five years			38,871
		$	102,994

X

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI https://asc.fasb.org/topic&trid=2196928

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