Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Consolidated Statements of Comprehensive Income
Net income	$ 5,405,522	$ 13,266,142
Other comprehensive income:
Change in foreign currency translation	2,991,816	68,377
Change in fair value of interest rate swap, net of tax benefit (cost) of: $490,234 in 2020 and $26 in 2019	(1,558,610)	574
Change in pension and other postretirement benefit costs, net of taxes of: $1,776,264 in 2020 and $664,279 in 2019	(5,695,386)	(2,675,007)
Total other comprehensive (loss)	(4,262,180)	(2,606,056)
Comprehensive income	$ 1,143,342	$ 10,660,086