Concentration of Risk, Segment and Geographic Information (Tables)
|12 Months Ended|
Dec. 31, 2017
|Concentration Of Risk Segment And Geographic Information [Abstract]|
|Revenue by Geographical Region||
Revenue attributed to the following geographic regions was as follows (in thousands) based on the location of the licensees:
Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.
Reference 1: http://www.xbrl.org/2003/role/presentationRef