Inventories (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Summary of composition of inventories
Raw materials	$ 3,565,164	$ 3,262,769
Finished goods	5,530,761	4,407,421
Inventories, gross	9,095,925	7,670,190
Inventory reserves	(302,296)	(302,296)
Inventories, net	$ 8,793,629	$ 7,367,894