ACQUISITIONS (Details) (USD $)	Aug. 26, 2010 Early Stage Research And Development Company [Member]	Feb. 26, 2010 Early Stage Research And Development Company [Member]	Aug. 26, 2010 Early Stage Research And Development Company [Member] In-process research and developement [Member]	Dec. 31, 2010 Qspeed [Member]	Dec. 31, 2010 Qspeed [Member] Developed technology [Member]	Dec. 31, 2010 Qspeed [Member] Customer Relationships [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid		$ 11,500,000		$ 6,955,000
Business Acquisition, Purchase Price Allocation, Goodwill Amount	6,200,000			6,800,000
Business Acquisition, Purchase Price Allocation, Intangible Assets Not Amortizable			4,700,000
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment	600,000			400,000
Business Acquisition, Cost of Acquired Entity, Transaction Costs	400,000
Business Acquisition, Cost of Acquired Entity, Other Noncash Consideration				5,250,000
Business Acquisition, Cost of Acquired Entity, Purchase Price				12,205,000
Business Acquisition, Preexisting Relationship, Prepaid Royalty				5,250,000
Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount	6,200,000			6,800,000
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets					1,800,000	900,000
Business Acquisition, Purchase Price Allocation, Current Assets, Inventory				2,100,000
Business Acquisition Purchase Price Allocation Inventory Markup				600,000
Business Acquisition, Purchase Price Allocation, Current Assets, Receivables				$ 200,000