Condensed Consolidated Statements of Comprehensive Income/(Loss) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income/(loss)	$ 3,450,767	$ (5,888,466)	$ 3,503,512	$ (16,956,914)
Comprehensive income/(loss)	$ 3,450,767	$ (5,888,466)	$ 3,503,512	$ (16,956,914)