XML 83 R63.htm IDEA: XBRL DOCUMENT v3.20.2
Note 16 - Employee Benefit Plans - Net Periodic Benefit Cost Recognized in Consolidated Statements of Operations (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jul. 05, 2020
Jun. 30, 2019
Jul. 05, 2020
Jun. 30, 2019
Selling, general and administrative expenses $ 1,000 $ 1,000 $ 2,000 $ 2,000
Other (income), net 154,000 333,000 402,000 495,000
Total 155,000 334,000 404,000 497,000
Selling, General and Administrative Expenses [Member]        
Selling, general and administrative expenses $ 1,000 $ 1,000 $ 2,000 $ 2,000