UNAUDITED SUPPLEMENTARY QUARTERLY INFORMATION (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
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Revenues	$ 384	$ 486	$ 395	$ 393	$ 701	$ 423	$ 3,071	$ 1,670	$ 1,658	$ 5,865	$ 31,721
Gross profit (loss)	384	348	(33)	(685)	(5,567)	(1,923)	(4,521)	(422)
Net loss	$ (5,080)	$ (8,938)	$ (8,190)	$ (5,664)	$ (9,707)	$ (6,939)	$ (9,314)	$ (12,134)	$ (27,872)	$ (38,094)	$ (25,362)
Basic and diluted loss per share (in USD per share)	$ (0.04)	$ (0.07)	$ (0.07)	$ (0.05)	$ (0.10)	$ (0.07)	$ (0.10)	$ (0.13)	$ (0.23)	$ (0.40)	$ (0.30)
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)
Weighted average common shares outstanding	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

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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