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SIGNIFICANT ACCOUNTING POLICIES (Condensed consolidated statements of operations) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Significant Accounting Policies [Line Items]
OPERATING LOSS	$ (6,744)	$ (10,805)	$ (11,895)	$ (17,170)
LOSS FOR THE PERIOD	$ (8,462)	450	$ (15,701)	(58,698)
Net loss per share of common stock-basic and diluted	$ (0.06)		$ (0.11)
License and Service [Member]
Significant Accounting Policies [Line Items]
REVENUES FROM LICENSE AGREEMENTS	$ 2,832		$ 4,993
Previously Reported [Member]
Significant Accounting Policies [Line Items]
OPERATING LOSS	(9,576)		(16,888)
LOSS FOR THE PERIOD	$ (11,294)		$ (20,694)
Net loss per share of common stock-basic and diluted	$ (0.08)		$ (0.14)
Previously Reported [Member] | License and Service [Member]
Significant Accounting Policies [Line Items]
REVENUES FROM LICENSE AGREEMENTS	$ 0		$ 0
Restatement Adjustment [Member]
Significant Accounting Policies [Line Items]
OPERATING LOSS	2,832		4,993
LOSS FOR THE PERIOD	$ 2,832		$ 4,993
Net loss per share of common stock-basic and diluted	$ 0.02		$ 0.03
Restatement Adjustment [Member] | License and Service [Member]
Significant Accounting Policies [Line Items]
REVENUES FROM LICENSE AGREEMENTS	$ 2,832		$ 4,993

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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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