INCOME TAXES (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. federal income tax rate	35.00%	35.00%	35.00%
Tax-effected federal and state net operating loss carryforwards	$ 4,800
Income tax credit	7,100
Interest and penalties for unrecognized tax benefits		$ 300
Operating Loss Carryforwards [Line Items]
Income tax receivable		0
Other current assets [Member]
Operating Loss Carryforwards [Line Items]
Income tax receivable	4,600	$ 500
Minimum [Member]
Operating Loss Carryforwards [Line Items]
Decrease in recognized tax benefit	1,000
Maximum [Member]
Operating Loss Carryforwards [Line Items]
Decrease in recognized tax benefit	1,500
Internal Revenue Service (IRS) [Member] | Foreign tax authority [Member]
Operating Loss Carryforwards [Line Items]
Tax-effected foreign net operating loss carryforwards	1,700
Excess tax benefits for stock-based compensation carryfowards	$ 900