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BASIC AND DILUTED LOSS PER COMMON SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net loss attributable to owners of the Company	$ (5,077)	$ (8,855)	$ (8,187)	$ (5,657)	$ (9,699)	$ (6,840)	$ (9,312)	$ (12,127)	$ (27,776)	$ (37,978)	$ (25,245)
Basic and diluted weighted average number of common shares outstanding (in shares)	132,129,787	126,624,498	118,118,935	107,618,908	99,668,611	96,840,539	93,920,953	92,152,844	121,168,136	95,665,367	83,475,400
Loss per common share (in dollars per share)									$ (0.23)	$ (0.40)	$ (0.30)

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Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.20)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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