CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - Supplemental Disclosures - USD ($)	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
SUPPLEMENTAL DISCLOSURES:
Cash paid for interest	$ 1,388,900	$ 1,738,400	$ 1,705,600
Cash paid for income taxes	11,555,100	9,552,500	11,122,300
Non-cash landlord leasehold improvements			2,139,000
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	11,407,000	6,659,000	25,130,300
Restricted cash	30,000	25,000	50,000
Total cash, cash equivalents and restricted cash	$ 11,437,000	$ 6,684,000	$ 25,180,300