Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Schedule of All Outstanding Options Activity (Details)

v3.22.1
Shareholders' Equity - Schedule of All Outstanding Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Apr. 02, 2022
Jan. 01, 2022
Jan. 02, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Options Outstanding, Beginning Balance 117,500 113,900  
Options Outstanding, Granted 0 38,000  
Options Outstanding, Cancelled/expired/forfeited 0 (28,400)  
Options Outstanding, Exercised   (6,000)  
Options Outstanding, Ending Balance 117,500 117,500 113,900
Options outstanding, Exercisable   116,500  
Weighted Average Exercise Price      
Weighted Average Exercise Price, Beginning Balance $ 7.16 $ 11.97  
Weighted Average Exercise Price, Granted 0 8.16  
Weighted Average Exercise Price, cancelled/expired/forfeited 0 9.71  
Weighted Average Exercise Price, Exercised   4.32  
Weighted Average Exercise Price, Ending Balance $ 7.16 7.16 $ 11.97
Weighted Average Exercise Price, Exercisable   $ 7.16  
Aggregate Intrinsic Value, Options Outstanding   $ 21 $ 78
Weighted Average Remaining Contractual Life 6 years 9 months 18 days 7 years 7 years
Weighted Average Remaining Contractual Life, Exercisable   6 years 9 months 18 days