4. Inventories (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2013

Dec. 31, 2012

Notes to Financial Statements

Inventories

	September 30, 2013		December 31, 2012
Raw materials	$	192,096	$	398,510
Work in progress		150,784		116,319
Finished goods		66,315		141,568
Total	$	409,195	$	656,397

	2012		2011
Raw materials	$	398,510	$	173,510
Work in progress		116,319		11,768
Finished goods		141,568		320,678
Total	$	656,397	$	505,956