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1. Significant Accounting Policies Property, Plant and Equipment (Details)
12 Months Ended
Dec. 31, 2014
Minimum [Member] | Software [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Minimum [Member] | Building and Building Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 15 years
Minimum [Member] | Reagent Rental Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 1 year
Minimum [Member] | Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Maximum [Member] | Software [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 12 years
Maximum [Member] | Building and Building Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 30 years
Maximum [Member] | Reagent Rental Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Maximum [Member] | Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 12 years