Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity

v3.21.1
Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Beginning balance (shares) at Dec. 31, 2019   58,877,000    
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options (shares) 5,333 5,000    
Release of stock awards (shares)   219,000    
Taxes paid related to net share settlement of equity awards (shares)   (84,000)    
Ending balance (shares) at Mar. 31, 2020   59,017,000    
Beginning balance at Dec. 31, 2019 $ 105,517 $ 6 $ 447,920 $ (342,409)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options 39   39  
Employee stock-based compensation 2,169   2,169  
Taxes paid related to net share settlement of equity awards (1,007)   (1,007)  
Net income (loss) (7,652)     (7,652)
Ending balance at Mar. 31, 2020 $ 99,066 $ 6 449,121 (350,061)
Beginning balance (shares) at Dec. 31, 2020   64,283,000    
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options (shares) 118,437 118,000    
Release of stock awards (shares)   139,000    
Taxes paid related to net share settlement of equity awards (shares)   (52,000)    
Ending balance (shares) at Mar. 31, 2021   64,488,000    
Beginning balance at Dec. 31, 2020 $ 170,103 $ 6 536,516 (366,419)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options 1,223   1,223  
Employee stock-based compensation 2,626   2,626  
Employee stock-based compensation 61   61  
Taxes paid related to net share settlement of equity awards (1,206)   (1,206)  
Net income (loss) (9,068)      
Ending balance at Mar. 31, 2021 $ 163,739 $ 6 $ 539,220 $ (375,487)