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Accumulated Other Comprehensive Income (Tables)
6 Months Ended
Jun. 30, 2021
Accumulated Other Comprehensive Income  
Schedule of changes in accumulated other comprehensive income

Unrealized

Loss on

Marketable

Foreign

    

Securities

    

Currency Items

    

Total

(In thousands)

Balance at December 31, 2020

$

(7)

$

2,596

$

2,589

Other comprehensive gain

 

3

 

 

3

Balance at June 30, 2021

$

(4)

$

2,596

$

2,592