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Comprehensive Income (Loss)
9 Months Ended
Sep. 30, 2018
Comprehensive Income (Loss)  
Comprehensive Income (Loss)

4. Comprehensive Income (Loss)

 

Comprehensive income (loss) is comprised of net income (loss) and other comprehensive income (loss). For the three and nine months ended September 30, 2018 and 2017, the only component of other comprehensive income (loss) is net unrealized gain (loss) on marketable securities. There were no material reclassifications out of accumulated other comprehensive income (loss) during the three and nine months ended September 30, 2018 and 2017.