CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $)	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 01, 2010
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract]
Net income	$ 1,459,941	$ 1,489,748	$ 4,040,914	$ 3,910,277
Other comprehensive income:
Change in foreign currency translation	(903,487)	436,845	(483,490)	331,079
Change in pension and postretirement benefit costs, net of taxes of: 2011 - $281,495 and $94,057, respectively 2010 - $266,520 and $87,584, respectively	172,772	160,389	518,316	488,066
Total other comprehensive income	(730,715)	597,234	34,826	819,145
Comprehensive income	$ 729,226	$ 2,086,982	$ 4,075,740	$ 4,729,422