Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Intangibles (Details)

v3.8.0.1
Summary of Significant Accounting Policies - Intangibles (Details)
12 Months Ended
Dec. 31, 2017
Licensed IP rights - completed technology used in R&D | Weighted Average  
Intangibles  
Weighted-average amortization period (in years) 7 years
Acquired software licenses  
Intangibles  
Estimated useful life (in years) 3 years