XML 51 R40.htm IDEA: XBRL DOCUMENT v3.21.1
Operating Leases: (Details) - USD ($)
3 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Operating Leases:    
Remaining lease term 8 years 9 months  
Discount rate (as a percent) 5.50%  
Rent expense $ 300,900 $ 300,400
Maturities of operating lease liabilities:    
2021 544,000  
2022 742,900  
2023 763,300  
2024 784,400  
2025 806,000  
Thereafter 3,452,600  
Total 7,093,200  
Less imputed interest (1,468,100)  
Present value of lease liabilities 5,625,100  
Operating lease liability    
Operating lease liability, current $ 400,000  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Accrued Liabilities, Current  
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flow outflow from operating leases $ 179,100 $ 174,300