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Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss		$ (9,169)	$ (7,247)
Net unrealized loss on marketable securities	[1]
Comprehensive loss		$ (9,169)	$ (7,247)
[1] Represents amount less than 1 thousand.

X

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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