Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventories

Schedule of major components of inventories

	June 30, 2013			Dec 31, 2012
Raw materials	$	1,926,161		$	2,072,540
Work-in-progress	432,058			373,512
Finished goods	1,318,484			1,478,444
Reduction to LIFO cost	(1,243,952		)	(1,245,632		)
Total Inventory	$	2,432,751		$	2,678,864