Inventory

3 Months Ended

Mar. 31, 2012

Inventory [Abstract]

Inventory

3. Inventory

Inventories are stated at the lower of cost or market. Cost is determined using the weighted average cost of raw materials, which approximates the first-in, first-out (FIFO) method, and includes allocations of manufacturing labor and overhead. Provisions are made to reduce potentially excess, obsolete or slow-moving inventories to their net realizable value. Inventories as of March 31, 2012 and December 31, 2011, consisted of the following:

	March 31, 2012			December 31, 2011
Raw materials	$	11,357,494		$	11,304,265
Work-in-process		181,740			304,783
Finished goods		3,904,200			4,306,585
Reserve for excess and obsolete inventory		(4,324,684	)		(4,430,872	)
Inventory, net	$	11,118,750		$	11,484,761