Annual report pursuant to Section 13 and 15(d)

Statements of Stockholders' Equity

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Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning balance at Dec. 31, 2016 $ 45,033 $ 1 $ 88,583     $ (43,551)
Reversal of secondary offering cost     1      
Stock-based compensation     736      
Issuance of shares for stock purchase plans     588      
Repurchases of common stock       $ (1,257)    
Unrealized gain (loss) on available-for-sale securities, net of deferred taxes (17)       $ (17)  
Net income (loss) 1,141         1,141
Ending balance at Dec. 31, 2017 46,225 1 89,908 (1,257) (17) (42,410)
Stock-based compensation     2,910      
Issuance of shares for stock purchase plans     765      
Repurchases of common stock       (2,175)    
Unrealized gain (loss) on available-for-sale securities, net of deferred taxes 6       6  
Net income (loss) (2,584)         (2,584)
Ending balance at Dec. 31, 2018 45,147 1 93,583 (3,432) (11) (44,994)
Stock-based compensation     2,204      
Issuance of shares for stock purchase plans     835      
Repurchases of common stock       (1,227)    
Unrealized gain (loss) on available-for-sale securities, net of deferred taxes 19       19  
Net income (loss) 926         926
Ending balance at Dec. 31, 2019 $ 47,904 $ 1 $ 96,622 $ (4,659) $ 8 $ (44,068)