CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract]
Net income	$ 1,693,503	$ 2,174,294	$ 3,196,388	$ 3,179,542
Other comprehensive income/(loss):
Change in foreign currency translation	313,757	(435,779)	(52,772)	(536,862)
Change in pension and postretirement benefit costs, net of taxes of: 2014 - $200,718 and $100,368, respectively 2013 - $293,833 and $146,917, respectively	184,365	269,042	368,695	538,084
Total other comprehensive income/(loss)	498,122	(166,737)	315,923	1,222
Comprehensive income	$ 2,191,625	$ 2,007,557	$ 3,512,311	$ 3,180,764