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Concentrations (Details 1) (Purchase [Member])	3 Months Ended
Concentrations (Details 1) (Purchase [Member])	Mar. 31, 2013	Mar. 31, 2012
Supplier A [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage	16.00%
Concentration risk, Supplier		Less than 10%.
Supplier B [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage		22.00%
Concentration risk, Supplier	Less than 10%.
Supplier C [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage		23.00%
Concentration risk, Supplier	Less than 10%.

Description of risks that arise due to the volume of business transacted with a particular supplier or reliance placed on that supplier. At a minimum, the description informs financial statement users of the general nature of the risk.

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