Inventories (Tables)

9 Months Ended

Sep. 29, 2012

Inventories [Abstract]

Components of inventories

The components of inventories follow:

	September 29, 2012		December 31, 2011
Raw material and component parts	$	11,532,392	$	11,863,199
Work in process		6,258,785		6,425,914
Finished goods		11,184,681		11,504,321
	$	28,975,858	$	29,793,434