Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventories

Schedule of major components of inventory

	Mar 31, 2013			Dec 31, 2012
Raw materials	$	2,354,016		$	2,072,540
Work-in-progress	382,728			373,512
Finished goods	1,478,478			1,478,444
Reduction to LIFO cost	(1,250,032		)	(1,245,632		)
Total Inventory	$	2,965,190		$	2,678,864