Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Stockholders' Equity - Schedule of All Outstanding Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Apr. 01, 2023
Dec. 31, 2022
Jan. 01, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Options Outstanding, Beginning Balance 110,000 117,500  
Options Outstanding, Granted 10,000    
Options Outstanding, Cancelled/expired/forfeited   (7,500)  
Options Outstanding, Ending Balance 120,000 110,000 117,500
Options outstanding, Exercisable     115,000
Weighted Average Exercise Price      
Weighted Average Exercise Price, Beginning Balance $ 6.27 $ 7.16  
Weighted Average Exercise Price, Granted 1.53    
Weighted Average Exercise Price, cancelled/expired/forfeited   0  
Weighted Average Exercise Price, Ending Balance $ 5.87 $ 6.27 $ 7.16
Weighted Average Exercise Price, Exercisable     $ 6.06
Aggregate Intrinsic Value, Options Outstanding   $ 0 $ 21
Weighted Average Remaining Contractual Life 6 years 6 months 6 years 6 months 7 years
Weighted Average Remaining Contractual Life, Exercisable     6 years 4 months 24 days