STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Schedule of amounts recognized in accumulated other comprehensive income (loss) (AOCI)

The amount recognized in accumulated other comprehensive income (loss) (“AOCI”) for the six months ended June 30, 2020 were as follows:

(In thousands)	Foreign Currency Translation Adjustments		Unrealized Gain (Loss) on Marketable Securities		Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2019	$	(25)	$	(75)	$	(100)
Other comprehensive income (loss) before reclassifications	—		1,564		1,564
Amounts reclassified from accumulated other comprehensive loss	25		—		25
Net current period change in accumulated other comprehensive loss	25		1,564		1,589
Balance at June 30, 2020	$	—	$	1,489	$	1,489

The amounts recognized in AOCI for the six months ended June 30, 2019 were as follows:

(In thousands)	Foreign Currency Translation Adjustments		Unrealized Gain (Loss) on Marketable Securities		Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2018	$	(25)	$	(1,397)	$	(1,422)
Other comprehensive loss before reclassifications	—		3,784		3,784
Amounts reclassified from accumulated other comprehensive loss	—		344		344
Net current period change in accumulated other comprehensive loss, before tax	—		4,128		4,128
Income tax expense related to items of other comprehensive income	—		(984)		(984)
Balance at June 30, 2019	$	(25)	$	1,747	$	1,722

Schedule of amounts reclassified from accumulated other comprehensive income (loss)

Amounts reclassified from AOCI for the six months ended June 30, 2020 and 2019 were as follows:

​	Affected Line Item in the Statements of Operations	Six Months Ended June 30,
Details about AOCI Components (In thousands)		2020		2019
Change in value of available-for-sale investments	​	​		​
Sales and maturities of available-for-sale investments	Investment income, net	$	—	$	344
Foreign currency adjustment	General and administrative	25		—
Total reclassifications	​	$	25	$	344