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Summary of Significant Accounting Policies - Depreciable Assets
12 Months Ended
Dec. 31, 2015
Machinery and Equipment | Minimum  
Depreciable Assets  
Estimated useful life 3 years
Machinery and Equipment | Maximum  
Depreciable Assets  
Estimated useful life 12 years
Building | Minimum  
Depreciable Assets  
Estimated useful life 20 years
Building | Maximum  
Depreciable Assets  
Estimated useful life 40 years