CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract]
Net income	$ 2,527,722	$ 2,431,817	$ 3,986,267	$ 5,628,205
Other comprehensive income/(loss):
Change in foreign currency translation	(994,325)	(444,848)	(1,616,248)	(497,620)
Change in pension and postretirement benefit costs, net of taxes of: 2015 - $559,542 and $186,513, respectively 2014 - $301,078 and $100,360, respectively	339,590	184,348	1,018,768	553,043
Total other comprehensive (loss)/income	(654,735)	(260,500)	(597,480)	55,423
Comprehensive income	$ 1,872,987	$ 2,171,317	$ 3,388,787	$ 5,683,628