OTHER CURRENT LIABILITIES (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Other Liabilities, Current [Abstract]
Accrued legal	$ 2,378	$ 3,096
Accrued services	502	473
Income taxes payable	292	164
Other current liabilities	714	676
Total other current liabilities	$ 3,886	$ 4,409