Concentrations (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2013 customer	Mar. 31, 2012 customer	Dec. 31, 2012 customer
Concentration Risk [Line Items]
Number of customers	2	1	2
Customer A [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentrations risk percentage	28.00%		43.00%
Customer B [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentrations risk percentage	19.00%		13.00%
Customer Concentration Risk [Member] | Customer A [Member] | Net Sales [Member]
Concentration Risk [Line Items]
Concentrations risk percentage	29.00%
Customer Concentration Risk [Member] | Customer B [Member] | Net Sales [Member]
Concentration Risk [Line Items]
Concentrations risk percentage	13.00%
Customer Concentration Risk [Member] | Customer C [Member] | Net Sales [Member]
Concentration Risk [Line Items]
Concentrations risk percentage		37.00%