Significant Customers (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended										3 Months Ended	9 Months Ended	12 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Sales [Member] Customer Concentration Risk [Member] customer	Sep. 30, 2013 Sales [Member] Customer Concentration Risk [Member] World wide distributors 1 [Member]	Sep. 30, 2012 Sales [Member] Customer Concentration Risk [Member] World wide distributors 1 [Member]	Sep. 30, 2013 Sales [Member] Customer Concentration Risk [Member] World wide distributors 2 [Member]	Sep. 30, 2012 Sales [Member] Customer Concentration Risk [Member] World wide distributors 2 [Member]	Sep. 30, 2012 Sales [Member] Customer Concentration Risk [Member] Worldwide Distributor [Member] customer	Sep. 30, 2012 Sales [Member] Customer Concentration Risk [Member] Direct Customer [Member] customer	Sep. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] World wide distributors 1 [Member]	Sep. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] World wide distributors 2 [Member]	Sep. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] Worldwide Distributor [Member] customer	Dec. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member] Worldwide Distributor [Member] customer	Dec. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member] Asian based stocking [Member]	Sep. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] Direct Customer [Member]	Sep. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] Direct Customer [Member] customer
Revenue, Major Customer [Line Items]
Net revenues	$ 58,169	$ 62,928	$ 177,073	$ 187,778		$ 54,300	$ 47,500	$ 34,900	$ 30,700		$ 20,100
Concentration risk, percentage						31.00%	25.00%	20.00%	16.00%		11.00%	34.00%	14.00%		28.00%	14.00%	10.00%
Significant Customer, Number					2					2	1			2	1			1