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Shareholders' Equity (Deficit): Additional Information (Details) - Stock options - USD ($)
9 Months Ended
Sep. 24, 2022
Sep. 25, 2021
Additional disclosures    
Compensation expense $ 1,203,800 $ 1,074,200
Total unrecognized compensation expense $ 3,800,000  
Weighted average period for recognition of unrecognized compensation expense 2 years 7 months 6 days