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Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Income Taxes [Abstract]  
Uncertain tax positions $ 0
Revenue and Cost Recognition [Abstract]  
Period of warranty for all units shipped 1 year
Minimum [Member]
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Maximum [Member]
 
Property, Plant and Equipment [Line Items]  
Estimated useful life 10 years