Inventories (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Summary of inventories
Raw materials	$ 259,650	$ 490,729
Finished goods	839,610	907,647
Inventory gross, Total	1,099,260	1,398,376
Allowance for excess inventory quantities	(60,166)	(60,166)
Inventories net, Total	$ 1,039,094	$ 1,338,210