Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Shareholders' Equity - Schedule of All Outstanding Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 02, 2022
Jul. 02, 2022
Jul. 01, 2022
Jan. 01, 2022
Jan. 02, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Options Outstanding, Beginning Balance   117,500 117,500 113,900  
Options Outstanding, Granted 0   0 38,000  
Options Outstanding, Cancelled/expired/forfeited     0 (28,400)  
Options Outstanding, Exercised       (6,000)  
Options Outstanding, Ending Balance 117,500 117,500   117,500 113,900
Options outstanding, Exercisable 117,500 117,500      
Weighted Average Exercise Price          
Weighted Average Exercise Price, Beginning Balance   $ 7.16 $ 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   $ 7.16 $ 11.97
Weighted Average Exercise Price, Exercisable $ 7.16 $ 7.16      
Aggregate Intrinsic Value, Options Outstanding       $ 21 $ 78
Weighted Average Remaining Contractual Life   6 years 6 months   7 years 7 years
Weighted Average Remaining Contractual Life, Exercisable   6 years 6 months