BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Available-for-sale securities	$ 4,630	$ 2,333
Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	3,663	9,563
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities	1,176	2,661
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities	2,487	6,902
Avalanche International Corp. [Member] | Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	3,228	7,728
Avalanche International Corp. [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities	810	826
Avalanche International Corp. [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities
Avalanche International Corp. [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities	2,418	6,902
Marketable Securities {Member] | Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	366	1,835
Marketable Securities {Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities	366	1,835
Marketable Securities {Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities
Marketable Securities {Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities
Investment In Warrants [Member] | Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	69
Investment In Warrants [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities	69
Investment In Warrants Of Parallax [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities
Investment In Warrants Of Parallax [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities