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Summary of Significant Accounting Policies (Details 3) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Summary of financial assets and liabilities measured at fair value on a recurring basis
Short-term investment	$ 0	$ 0

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- References

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- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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