8. Inventories (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Inventory Disclosure [Abstract]
Raw materials	$ 2,034,008	$ 1,550,736
Packaging materials	940,282	866,674
Samples	836,021	792,702
Finished goods	14,208,577	19,860,995
Inventory gross	18,018,888	23,071,107
Reserve for obsolescence	(1,501,556)	(1,056,702)
Inventory, net	$ 16,517,332	$ 22,014,405