Inventory (Tables)

6 Months Ended

Jun. 30, 2012

Inventory [Abstract]

Inventories

	June 30, 2012			December 31, 2011
Raw materials	$	11,238,953		$	11,304,265
Work-in-process		206,711			304,783
Finished goods		3,297,776			4,306,585
Reserve for excess and obsolete inventory		(4,276,582	)		(4,430,872	)
Inventory, net	$	10,466,858		$	11,484,761