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Marketable Securities - Available-for-sale by Maturity Date (Details)
$ in Thousands
Nov. 02, 2019
USD ($)
Schedule of Available-for-sale Securities  
Less than 12 months $ 2,635
Greater than 12 months 983
Total 3,618
Certificates of deposit  
Schedule of Available-for-sale Securities  
Less than 12 months 1,734
Greater than 12 months 983
Total 2,717
U.S. Government sponsored entities  
Schedule of Available-for-sale Securities  
Less than 12 months 745
Greater than 12 months 0
Total 745
Municipal bonds  
Schedule of Available-for-sale Securities  
Less than 12 months 156
Greater than 12 months 0
Total $ 156