Concentrations (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2014

Dec. 31, 2013

Concentrations [Abstract]

Concentration of revenue from customers

	Three Months Ended March 31,
Customer	2014		2013
A		*		14	%
B		*		10	%

*           Less than 10%.

Concentration of purchase from suppliers

	Three Months Ended March 31,
Supplier	2014			2013
A		10	%		*
B		12	%		16	%
C		12	%		*
D		13	%		*

*           Less than 10%.

	Years Ended December 31,
Supplier	2013	2012
A	27%	21%
B	*	12%
C	*	18%

*           Less than 10%.