Inventory (Tables)

3 Months Ended

Mar. 31, 2013

Inventory [Abstract]

Inventories

	March 31, 2013			December 31, 2012
Raw materials	$	8,392,602		$	9,689,172
Work-in-process		107,078			131,492
Finished goods		3,927,553			3,492,167
Reserve for excess and obsolete inventory		(586,843	)		(2,319,622	)
Total inventory	$	11,840,390		$	10,993,209