OTHER CURRENT LIABILITIES (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Other Liabilities, Current [Abstract]
Accrued legal	$ 4,071	$ 3,096
Accrued services	320	473
Income taxes payable	263	164
Other current liabilities	676	676
Total other current liabilities	$ 5,330	$ 4,409