Annual report pursuant to Section 13 and 15(d)

Comprehensive Income (Loss) (Details)

v3.20.1
Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Other Comprehensive Loss    
Beginning Balance $ 41,526 $ 34,633
Ending Balance 30,078 41,526
Reclassifications out of accumulated other comprehensive income or loss, net of tax 0 0
Tax effect 0 0
Accumulated Other Comprehensive Income (Loss)    
Other Comprehensive Loss    
Beginning Balance (9) (42)
Net unrealized gains (loss) on marketable securities $ 9 33
Ending Balance   $ (9)