Intangible Assets

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Actua’s intangible assets includes two domain names valued at $0.7 million that, as a result of Actua’s announcement of its intent to wind down its operations, were reassessed to a useful life of three months as of September 30, 2017. As of December 31, 2017 the net carrying amount of these domain names is zero. Amortization expense for intangible assets for the year ended December 31, 2017 was $0.7 million. There was no amortization expense in 2016 or 2015.