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Shareholders' Equity (Deficit): Additional Information (Details) - Stock options - USD ($)	6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021
Additional disclosures
Compensation expense	$ 771,400	$ 698,100
Total unrecognized compensation expense	$ 4,200,000
Weighted average period for recognition of unrecognized compensation expense	2 years 10 months 24 days

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost to be recognized for option under share-based payment arrangement.

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