Note 12 - Shareholders' Equity (Tables)
|12 Months Ended|
Dec. 25, 2016
|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://www.xbrl.org/2003/role/presentationRef