SIGNIFICANT CUSTOMERS AND EXPORT SALES (Customer and Credit Risk Concentration) (Details)	12 Months Ended
	Dec. 31, 2011 customers	Dec. 31, 2010 customers	Dec. 31, 2009 customers
Concentration Risk [Line Items]
Number of reportable segments	1
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]
Concentration Risk [Line Items]
Concentration risk percentage of net revenue	65.00%	62.00%	62.00%
Number of major customers	10	10	10
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Avnet [Member]
Concentration Risk [Line Items]
Concentration risk percentage of net revenue	19.00%	17.00%	15.00%
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | ATM Electronic Corporation [Member]
Concentration Risk [Line Items]
Concentration risk percentage of net revenue	13.00%	11.00%	10.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration risk percentage	79.00%	76.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Avnet [Member]
Concentration Risk [Line Items]
Concentration risk percentage	36.00%	21.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member] | ATM Electronic Corporation [Member]
Concentration Risk [Line Items]
Concentration risk percentage	10.00%