Note 6 - Shareholders' Equity (Tables)
|9 Months Ended|
Sep. 25, 2022
|Schedule of Dividends Payable [Table Text Block]||
Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
No definition available.