INVESTMENTS (Tables)

3 Months Ended

Mar. 31, 2019

INVESTMENTS

Summary of investment portfolio

			Additions		Net gains		Disposals		Unrealized		Fair value
	Opening		during		(loss) on		during		gain (loss) on		end of the
As of March 31, 2019	balance		period		securities sold		period		securities held		period
Marketable equity securities	$	2,718	$	264	$	—	$	—	$	605	$	3,587
Warrants		413		—		—		—		222		635
Investments	$	3,131	$	264	$	—	$	—	$	827	$	4,222

			Additions		Net gains		Disposals		Unrealized		Fair value
	Opening		during		(loss) on		during		gain (loss) on		end of the
As of March 31, 2018	balance		period		securities sold		period		securities held		period
Marketable equity securities	$	6,404	$	—	$	(734)	$	(2,663)	$	(1,137)	$	1,870
Warrants		1,567		—		—		—		(864)		703
Investments	$	7,971	$	—	$	(734)	$	(2,663)	$	(2,001)	$	2,573