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Comprehensive Income (Loss)	12 Months Ended
	Dec. 31, 2018
Comprehensive Income (Loss)
Comprehensive Income (Loss)	2. Comprehensive Income (Loss) Comprehensive income (loss) is comprised of net income (loss) and other comprehensive income (loss). For the years ended December 31, 2018 and 2017, the only component of other comprehensive loss is net unrealized losses on marketable debt securities. There were no material reclassifications out of accumulated other comprehensive loss during the year ended December 31, 2018.

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- References

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- Definition

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-URI http://asc.fasb.org/topic&trid=2134417

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