3. Inventories (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Inventories Details
Raw materials	$ 628,778	$ 720,113
Work in process	134,264
Finished goods (including $339,900 and $489,400 held by customers at September 30, 2013 and December 31, 2012, respectively)	1,785,307	1,910,273
Total inventories	$ 2,548,349	$ 2,630,386

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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