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Equipment and Improvements
6 Months Ended
Jun. 30, 2016
Property, Plant and Equipment [Abstract]  
Equipment and Improvements

12. Equipment and Improvements

Equipment and improvements are stated at cost. Depreciation is computed using the straight-line method based on the estimated useful lives of the assets, generally ranging from three to seven years. Leasehold improvements are amortized using the straight-line method over the shorter of the estimated useful life of the asset or the lease term.