4. Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Notes to Financial Statements

Inventories

Inventories consist of the following at June 30, 2012 and December 31, 2011:

	June 30, 2012		December 31, 2011
Raw materials	$	354,819	$	173,510
Work in progress		319,753		11,768
Finished goods		242,238		320,678
Total	$	916,810	$	505,956