The Company and Summary of Significant Accounting Policies (Details 2)	12 Months Ended
Dec. 31, 2011 Y
Leasehold improvements
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	1
Estimated useful lives, high end of the range (in years)	15
Property, Plant and Equipment, other than leased assets and leasehold improvements
Depreciation and amortization
Estimated useful lives, low end of the range (in years)	2
Estimated useful lives, high end of the range (in years)	10

The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

No definition available.

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Period Type:	duration