XML 36 R25.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies - Intangibles (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Summary of Significant Accounting Policies        
Intangible assets impaired $ 0 $ 0 $ 0 $ 0
Abandonment of capitalized intangible assets     $ 118,000 $ 273,000