MARKETABLE SECURITIES (Tables)

12 Months Ended

Dec. 31, 2021

Cash and Cash Equivalents [Abstract]

Marketable Securities

The following tables summarize our marketable securities by significant investment categories as of December 31, 2021:

	Cost Basis		Gross Unrealized Losses		Gross Unrealized Gains		Fair Value
Marketable equity securities	$	756	$	(262)	$	—	$	494

The following tables summarize our marketable securities by significant investment categories as of December 31, 2020:

	Cost Basis		Gross Unrealized Losses		Gross Unrealized Gains		Fair Value
Marketable equity securities	$	824	$	(418)	$	1,841	$	2,247