Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure Of Maturity Analysis Of Operating Lease Payments [Abstract]

Summary of Minimum Payments Under Operating Lease Obligations for Its Premises Due in Future Fiscal Years

The following is a summary of the Company's minimum payments under operating lease obligations for its premises due in future fiscal years

2019	$	810
2020		581
2021		586
2022		592
2023		653
2024 and onwards		2,728
	$	5,950