Significant Customers (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended								3 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Sales [Member] Customer Concentration Risk [Member] World wide distributors 1 [Member]	Jun. 30, 2012 Sales [Member] Customer Concentration Risk [Member] World wide distributors 1 [Member]	Jun. 30, 2013 Sales [Member] Customer Concentration Risk [Member] World wide distributors 2 [Member]	Jun. 30, 2012 Sales [Member] Customer Concentration Risk [Member] World wide distributors 2 [Member]	Jun. 30, 2012 Sales [Member] Customer Concentration Risk [Member] Direct Customer [Member]	Jun. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] World wide distributors 1 [Member]	Jun. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member] World wide distributors 2 [Member]	Dec. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member] Worldwide Distributor [Member]	Dec. 31, 2012 Accounts Receivable [Member] Customer Concentration Risk [Member] Asian based stocking [Member]
Revenue, Major Customer [Line Items]
Net revenues	$ 59,171	$ 63,699	$ 118,904	$ 124,850	$ 39,300	$ 31,500	$ 25,800	$ 20,800	$ 13,300
Concentration risk, percentage					33.00%	25.00%	22.00%	17.00%	11.00%	39.00%	17.00%	28.00%	14.00%