FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
5% Notes	$ 145	$ 67
Total	145	67
Level 1 [Member]
5% Notes	0	0
Total	0	0
Level 2 [Member]
5% Notes	0	0
Total	0	0
Level 3 [Member]
5% Notes	145	67
Total	$ 145	$ 67