Annual report pursuant to Section 13 and 15(d)

Consolidated Statements Stockholders' Equity

v3.20.4
Consolidated Statements Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Cumulative Effect, Period of Adoption, Adjustment
[1]
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjustment
[1]
Accumulated Deficit
Accumulated Deficit
Cumulative Effect, Period of Adoption, Adjustment
[1]
Beginning balance (shares) at Dec. 31, 2017     48,365          
Beginning balance at Dec. 31, 2017 $ 24,547   $ 5 $ 340,079 $ (472)   $ (315,065)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Exercise of stock options (shares) 772   856          
Exercise of stock options $ 4,680     4,680        
Release of stock awards (shares)     832          
Employee stock-based compensation 7,865     7,865        
Non-employee stock-based compensation 24     24        
Taxes paid related to net share settlement of equity awards (shares)     (301)          
Taxes paid related to net share settlement of equity awards (3,190)     (3,190)        
Issuance of common stock, net of issuance costs (shares)     4,313          
Issuance of common stock, net of issuance costs 37,317     37,317        
Net Loss (10,878)           (10,878)  
Ending balance (shares) at Dec. 31, 2018     54,065          
Ending balance at Dec. 31, 2018 $ 56,306 $ (4,059) $ 5 386,775 0 $ 472 (330,474) $ (4,531)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Exercise of stock options (shares) 1,045   1,466          
Exercise of stock options $ 7,099     7,099        
Release of stock awards (shares)     449          
Employee stock-based compensation 6,943     6,943        
Taxes paid related to net share settlement of equity awards (shares)     (152)          
Taxes paid related to net share settlement of equity awards (2,850)     (2,850)        
Issuance of common stock, net of issuance costs (shares)     3,049          
Issuance of common stock, net of issuance costs 49,877   $ 1 49,876        
Short swing profit settlement 77     77        
Net Loss (11,935)           (11,935)  
Ending balance (shares) at Dec. 31, 2019     58,877          
Ending balance at Dec. 31, 2019 $ 105,517   $ 6 447,920 0   (342,409)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Exercise of stock options (shares) 210   210          
Exercise of stock options $ 1,323     1,323        
Release of stock awards (shares)     370          
Employee stock-based compensation 7,622     7,622        
Non-employee stock-based compensation 106     106        
Taxes paid related to net share settlement of equity awards (shares)     (103)          
Taxes paid related to net share settlement of equity awards (1,257)     (1,257)        
Issuance of common stock, net of issuance costs (shares)     4,929          
Issuance of common stock, net of issuance costs 80,802     80,802        
Net Loss (24,010)           (24,010)  
Ending balance (shares) at Dec. 31, 2020     64,283          
Ending balance at Dec. 31, 2020 $ 170,103   $ 6 $ 536,516 $ 0   $ (366,419)  
[1] Cumulative effect of change in accounting principles included: Accounting Standards Update 2014-9 (Topic 606), of $4.1 million and Accounting Standards Update 2016-01 (Subtopic 825-10), of $0.5 million.