Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments And Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments Under Non-cancellable Operating Lease Agreements

Future minimum lease payments under operating lease agreements at December 31, 2017 were as follows:

	Year ended December 31,
	$
2018		1,311,102
2019		1,302,945
2020		358,342
2021		53,692
2022 and thereafter		—
Total lease commitment		3,026,081