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Basis of Presentation and Summary of Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2018
Machinery And Equipment [Member] | Minimum [Member]  
Useful life 3 years
Machinery And Equipment [Member] | Maximum [Member]  
Useful life 15 years
Leasehold improvements [Member]  
Useful life 5 years
Descripion of useful lives Lesser of the remaining lease term or 5 years