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FAIR VALUE MEASUREMENTS (Details 1) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Fair Value Disclosures [Abstract]      
Fair value, beginning of period $ 210 $ 224 $ 128
Interest accrued on face value of 5% Notes 221 223 213
Change in fair value of Level 3 liabilities (340) (237) (117)
Fair value, end of period $ 91 $ 210 $ 224