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Note A - The Company and Summary of Significant Accounting Policies (Details) - Estimated Useful Lives For Depreciation and Amortization
12 Months Ended
Dec. 31, 2012
Equipment [Member] | Minimum [Member]
 
Equipment and leasehold improvements  
Property, Plant, and Equipment Estimated Useful life 3 years
Equipment [Member] | Maximum [Member]
 
Equipment and leasehold improvements  
Property, Plant, and Equipment Estimated Useful life 5 years
Furniture and Fixtures [Member] | Minimum [Member]
 
Equipment and leasehold improvements  
Property, Plant, and Equipment Estimated Useful life 3 years
Furniture and Fixtures [Member] | Maximum [Member]
 
Equipment and leasehold improvements  
Property, Plant, and Equipment Estimated Useful life 5 years
Software [Member]
 
Equipment and leasehold improvements  
Property, Plant, and Equipment Estimated Useful life 3 years