Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive (Loss) Income

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Consolidated Statements of Comprehensive (Loss) Income - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Net (loss) income $ (16,114,316) $ 74,945,856
Unrealized gain (loss) on available-for-sale securities 1,666 (2,396)
Comprehensive (loss) income $ (16,112,650) $ 74,943,460