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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Schedule of Property and Equipment Useful Life

Depreciation or amortization of property and equipment, including assets held under capital leases, is calculated using the straight-line method over the asset’s estimated useful life as follows:

 

Buildings and leasehold Improvements     2-39 years  
Machinery, equipment and rental tools     18 months -10 years  
Furniture and fixtures     7 years  
Transportation equipment     5 - 30 years  
Computer equipment and software     3-5 years