Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited)

v3.19.1
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) - USD ($)
shares in Thousands, $ in Thousands
Total
Convertible Preferred Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Balance at Dec. 31, 2017 $ 5,786   $ 62 $ 1,184,783 $ (1,179,059)
Balance (in shares) at Dec. 31, 2017   5 8,249    
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options 14     14  
Issuance of common stock related to 401(k) contribution and ESPP 20     20  
Issuance of common stock related to 401(k) contribution and ESPP (in shares)     1    
Vesting of restricted stock units (in shares)     14    
Stock-based compensation expense 1,416     1,416  
Issuance of common stock 2,207     2,207  
Issuance of common stock (in shares)     68    
Net income (loss) and comprehensive income (loss) (3,806)       (3,806)
Balance at Mar. 31, 2018 5,637   $ 62 1,188,440 (1,182,865)
Balance (in shares) at Mar. 31, 2018   5 8,332    
Balance at Dec. 31, 2018 18,785 [1]   $ 65 1,211,122 (1,192,402)
Balance (in shares) at Dec. 31, 2018   6 8,691    
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options 115     115  
Exercise of stock options (in shares)     24    
Issuance of common stock related to 401(k) contribution and ESPP 102     102  
Issuance of common stock related to 401(k) contribution and ESPP (in shares)     7    
Vesting of restricted stock units (in shares)     2    
Stock-based compensation expense 1,728     1,728  
Issuance of warrants 66     66  
Net income (loss) and comprehensive income (loss) 3,233       3,233
Balance at Mar. 31, 2019 $ 24,029   $ 65 $ 1,213,133 $ (1,189,169)
Balance (in shares) at Mar. 31, 2019   6 8,724    
[1] The condensed consolidated balance sheet as of December 31, 2018 has been derived from the audited consolidated financial statements as of that date included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.