CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract]
Net income	$ 584,594	$ 1,693,503	$ 1,458,545	$ 3,196,388
Other comprehensive income/(loss):
Change in foreign currency translation	(27,591)	313,757	(621,923)	(52,772)
Change in pension and postretirement benefit costs, net of taxes of: 2015 - $373,028 and $186,514, respectively 2014 - $200,718 and $100,368, respectively	339,588	184,365	679,178	368,695
Total other comprehensive income	311,997	498,122	57,255	315,923
Comprehensive income	$ 896,591	$ 2,191,625	$ 1,515,800	$ 3,512,311