Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Fair Value Measurement (Details Textual)

v3.22.0.1
Note 7 - Fair Value Measurement (Details Textual) - USD ($)
$ in Thousands
Dec. 25, 2021
Mar. 27, 2021
Fair Value, Recurring [Member]    
Assets, Fair Value Disclosure $ 0 $ 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure   0
Fair Value, Nonrecurring [Member]    
Assets, Fair Value Disclosure $ 0 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure   $ 0