STOCKHOLDERS' EQUITY - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Beginning balance	$ 86
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income before reclassifications	32
Amounts reclassified from accumulated other comprehensive income	0
Net current period other comprehensive income	32
Ending balance	118
Unrealized gains and losses on available-for sale securities
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Beginning balance	(15)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income before reclassifications	32
Amounts reclassified from accumulated other comprehensive income	0
Net current period other comprehensive income	32
Ending balance	17
Foreign currency items
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Beginning balance	101
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	0
Net current period other comprehensive income	0
Ending balance	$ 101