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Note 11 - Cash Equivalents and Marketable Securities
3 Months Ended
Dec. 26, 2020
Notes to Financial Statements  
Cash and Cash Equivalents Disclosure [Text Block]
NOTE
11.
 
Cash Equivalents and Marketable Securities
 
The Company considers all highly liquid instruments with an original maturity of
three
months or less to be cash equivalents. Substantially all cash equivalents are invested in money market mutual funds. Money market mutual funds held in a brokerage account are considered available for sale. The Company accounts for marketable securities in accordance with FASB ASC
320,
Investments—Debt and Equity Securities.