INVESTMENTS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Investments rollforward
Opening balance		$ 1,885	$ 3,131	$ 3,131
Additions/transfers during the period			264
Unrealized (loss) on securities held			1,752
Fair Value end of the period			5,147	1,885
Proceeds from sale of investments		305
Cost of purchase of marketable equity securities				1,300
Marketable equity securities receivable	$ 900	900
Marketable equity securities
Investments rollforward
Opening balance		1,885	2,718	2,718
Additions/transfers during the period			264
Net (loss) on securities sold	(600)	(619)
Disposals/transfers during period		(1,266)
Unrealized (loss) on securities held			1,372
Fair Value end of the period			4,354	1,885
Proceeds from sale of investments	$ 1,200	$ 1,300
Warrants
Investments rollforward
Opening balance			413	$ 413
Unrealized (loss) on securities held			380
Fair Value end of the period			$ 793