STOCKHOLDERS' EQUITY (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Changes in accumulated other comprehensive income

The changes in accumulated other comprehensive income are included in the table below.

	Three Months Ended March 31, 2018
(in thousands)	Unrealized Gains and Losses on Short-term Investments			Foreign Currency Items		Total
Beginning balance	$	(23	)	$	122	$	99
Other comprehensive income before reclassifications	5			—		5
Amounts reclassified from accumulated other comprehensive income	—			—		—
Net current period other comprehensive income	5			—		5
Ending Balance	$	(18	)	$	122	$	104