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FAIR VALUE MEASUREMENTS (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Assets
Common shares	$ 936
Warrants	531
Fair Value Inputs Level 1 [Member]
Assets
Common shares	936
Fair Value Inputs Level 3 [Member]
Assets
Warrants	$ 531

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Investment in warrants.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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