Annual report pursuant to Section 13 and 15(d)

Statements of Comprehensive Income (Loss)

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Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]      
Net income (loss) $ 926 $ (2,584) $ 1,141
Unrealized gain (loss) on available-for-sale securities, net of deferred taxes 19 6 (17)
Total comprehensive income (loss) $ 945 $ (2,578) $ 1,124