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INVESTMENTS & CONVERTIBLE NOTE RECEIVABLE (Details) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($) $ / shares	Jun. 30, 2020 USD ($) item $ / shares	Dec. 31, 2019 USD ($)	Dec. 03, 2019 USD ($)
Marketable Securities [Line Items]
Investments	$ 7,372	$ 7,372	$ 8,403
Exercise price \| $ / shares	$ 1.11	$ 1.11
Impairment of stock warrant	$ 1,062	$ 1,062
Convertible note	5,732	5,732	5,589
Panacea preferred stock
Marketable Securities [Line Items]
Investments	$ 5,029	$ 5,029	4,865
Dividend rate		10.00%
Investment in Panacea
Marketable Securities [Line Items]
Investments				$ 13,297
Ownership percentage (in percent)				15.80%
Number of instruments comprising the investment \| item		3
Note receivable interest rate	10.00%	10.00%
Note receivable term		5 years
Investment in Panacea \| Warrant
Marketable Securities [Line Items]
Investments	$ 1,803	$ 1,803	2,865
Ownership percentage (in percent)	51.00%	51.00%
Exercise price \| $ / shares	$ 2.344	$ 2.344
Aurora Cannabis Inc [Member] \| Warrant
Marketable Securities [Line Items]
Investments	$ 540	$ 540	$ 673