OTHER CURRENT LIABILITIES (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Other Liabilities, Current [Abstract]
Accrued legal	$ 2,611	$ 3,096
Accrued services	417	473
Income taxes payable	276	164
Other current liabilities	711	676
Total other current liabilities	$ 4,015	$ 4,409