Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Consolidated Statements of Comprehensive Income
Net income	$ 12,301,918	$ 9,349,171
Other comprehensive income:
Change in foreign currency translation	(1,959,424)	(135,418)
Change in fair value of interest rate swap, net of tax cost of: $531,425 in 2022 and $327,118 in 2021	1,805,742	1,035,604
Change in pension and other postretirement benefit costs, net of taxes of: $941,964 in 2022 and $1,208,497 in 2021	3,273,800	2,063,809
Total other comprehensive income	3,120,118	2,963,995
Comprehensive income	$ 15,422,036	$ 12,313,166