XML 60 R45.htm IDEA: XBRL DOCUMENT v3.6.0.2
Basis of Presentation and Summary of Significant Accounting Policies - Inventory (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Inventory impairments $ 0 $ 0 $ 0