XML 48 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 3 - Financial Instruments Measured at Fair Value - Effective Maturities of Short-term Investments (Details) - USD ($)
$ in Thousands
Sep. 29, 2018
Dec. 30, 2017
Due in one year or less, amortized cost $ 21,338
Due in one year or less, estimated fair value 21,329
Due after one year through three years, amortized cost 549
Due after one year through three years, fair value 549
Total amortized cost 549 21,338
Total estimated fair value $ 549 $ 21,329