Annual report pursuant to Section 13 and 15(d)

Consolidated Statements Of Stockholders' Equity (Deficit)

v2.4.0.6
Consolidated Statements Of Stockholders' Equity (Deficit) (USD $)
In Thousands, except Share data, unless otherwise specified
Common Stock [Member]
Additional Paid-In Capital [Member]
Deferred Stock-Based Compensation [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Deficit Accumulated During The Development Stage [Member]
Total
Balances, value at Dec. 31, 2000            
Issuance of restricted common stock to a founder and member of the Board of Directors for cash, value   $ 2       $ 2
Issuance of restricted common stock to a founder and member of the Board of Directors for cash, shares 25,300          
Net loss         (236) (236)
Balances, value at Dec. 31, 2001   2     (236) (234)
Balances, shares at Dec. 31, 2001 25,300          
Issuance of restricted common stock to a founder and member of the Board of Directors for cash, value   4       4
Issuance of restricted common stock to a founder and member of the Board of Directors for cash, shares 3,795          
Net loss         (2,458) (2,458)
Issuance of common stock pursuant to exercise of stock options for cash, shares 405          
Deferred stock-based compensation, net of cancellations   25 (25)      
Amortization of deferred stock-based compensation     1     1
Non-employee stock-based compensation   21       21
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       (1)   (1)
Comprehensive loss           (2,459)
Balances, value at Dec. 31, 2002   52 (24) (1) (2,694) (2,667)
Balances, shares at Dec. 31, 2002 29,500          
Net loss         (8,303) (8,303)
Issuance of common stock pursuant to exercise of stock options for cash, value   1       1
Issuance of common stock pursuant to exercise of stock options for cash, shares 1,285          
Issuance of a warrant to purchase Series A redeemable convertible preferred stock   44       44
Beneficial conversion feature related to issuance of Series B redeemable convertible preferred stock   40,862       40,862
Deemed dividend related to beneficial conversion feature of Series B redeemable convertible preferred stock   (40,862)       (40,862)
Deferred stock-based compensation, net of cancellations   2,332 (2,332)      
Amortization of deferred stock-based compensation     810     810
Non-employee stock-based compensation   256       256
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       164   164
Comprehensive loss           (8,139)
Balances, value at Dec. 31, 2003   2,685 (1,546) 163 (10,997) (9,695)
Balances, shares at Dec. 31, 2003 30,785          
Net loss         (23,566) (23,566)
Issuance of common stock pursuant to exercise of stock options for cash, value   878       878
Issuance of common stock pursuant to exercise of stock options for cash, shares 586,385          
Deferred stock-based compensation, net of cancellations   20,385 (20,385)      
Amortization of deferred stock-based compensation     5,294     5,294
Non-employee stock-based compensation   681       681
Repurchase of unvested common stock, value   (6)       (6)
Repurchase of unvested common stock, shares (2,073)          
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       (59)   (59)
Comprehensive loss           (23,625)
Balances, value at Dec. 31, 2004   24,623 (16,637) 104 (34,563) (26,473)
Balances, shares at Dec. 31, 2004 615,097          
Issuance of restricted common stock to a founder and member of the Board of Directors for cash, shares 1,018,768          
Net loss         (44,408) (44,408)
Issuance of common stock in initial public offering for cash 1 38,134       38,135
Issuance of common stock pursuant to exercise of stock options for cash, value 1 62,394       62,395
Issuance of common stock pursuant to exercise of stock options for cash, shares 1,066,537          
Issuance of common stock pursuant to exercise of warrants, shares 3,211          
Conversion of convertible preferred stock upon initial public offering, value 4 49,835       49,839
Conversion of convertible preferred stock upon initial public offering, shares 3,425,468          
Issuance of common stock pursuant to stock plans, value   557       557
Issuance of common stock pursuant to stock plans, shares 84,772          
Deferred stock-based compensation, net of cancellations   3,321 (3,321)      
Reversal of deferred stock-based compensation related to employee terminations   (2,862) 2,862      
Amortization of deferred stock-based compensation   (416) 5,740     5,324
Non-employee stock-based compensation   4,097       4,097
Repurchase of unvested common stock, value   (18)       (18)
Repurchase of unvested common stock, shares (8,591)          
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       (80)   (80)
Comprehensive loss           (44,488)
Balances, value at Dec. 31, 2005 6 179,665 (11,356) 24 (78,971) 89,368
Balances, shares at Dec. 31, 2005 6,205,262          
Net loss         (55,686) (55,686)
Issuance of common stock pursuant to stock plans, value   518       518
Issuance of common stock pursuant to stock plans, shares 46,144          
Reversal of deferred stock-based compensation related to employee terminations   (2,970) 2,970      
Amortization of deferred stock-based compensation     4,411     4,411
Stock-based compensation   5,738       5,738
Repurchase of unvested common stock, value   (80)       (80)
Repurchase of unvested common stock, shares (27,091)          
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       (31)   (31)
Comprehensive loss           (55,717)
Balances, value at Dec. 31, 2006 6 182,871 (3,975) (7) (134,657) 44,238
Balances, shares at Dec. 31, 2006 6,224,315          
Net loss         (30,664) (30,664)
Issuance of common stock pursuant to stock plans, value   128       128
Issuance of common stock pursuant to stock plans, shares 20,151          
Reversal of deferred stock-based compensation related to employee terminations   (304) 304      
Amortization of deferred stock-based compensation     2,837     2,837
Stock-based compensation   3,072       3,072
Repurchase of unvested common stock, value   (34)       (34)
Repurchase of unvested common stock, shares (16,410)          
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       10   10
Comprehensive loss           (30,654)
Balances, value at Dec. 31, 2007 6 185,733 (834) 3 (165,321) 19,587
Balances, shares at Dec. 31, 2007 6,228,056          
Net loss         (18,292) (18,292)
Issuance of common stock and warrants to certain investors, net of issuance costs, value 9 16,812       16,821
Issuance of common stock and warrants to certain investors, net of issuance costs, shares 8,970,574          
Issuance of common stock pursuant to stock plans, value   30       30
Issuance of common stock pursuant to stock plans, shares 15,461          
Amortization of deferred stock-based compensation     828     828
Stock-based compensation   2,424       2,424
Repurchase of unvested common stock, shares (47)          
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       16   16
Comprehensive loss           (18,276)
Balances, value at Dec. 31, 2008 15 204,999 (6) 19 (183,613) 21,414
Balances, shares at Dec. 31, 2008 15,214,044          
Net loss         (23,648) (23,648)
Issuance of common stock and warrants to certain investors, net of issuance costs, value 18 23,210       23,228
Issuance of common stock and warrants to certain investors, net of issuance costs, shares 18,324,599          
Issuance of common stock pursuant to stock plans, value   27       27
Issuance of common stock pursuant to stock plans, shares 25,027          
Amortization of deferred stock-based compensation     6     6
Stock-based compensation   2,205       2,205
Cumulative effect of change in accounting principle         (532) (532)
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       (43)   (43)
Comprehensive loss           (23,691)
Balances, value at Dec. 31, 2009 33 230,441   (24) (207,793) 22,657
Balances, shares at Dec. 31, 2009 33,563,670          
Net loss         (18,682) (18,682)
Issuance of common stock pursuant to stock plans, value 1 139       140
Issuance of common stock pursuant to stock plans, shares 138,572          
Stock-based compensation   803       803
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       25   25
Comprehensive loss           (18,657)
Balances, value at Dec. 31, 2010 34 231,383   1 (226,475) 4,943
Balances, shares at Dec. 31, 2010 33,702,242         33,702,242
Net loss         (25,653) (25,653)
Issuance of common stock and warrants to certain investors, net of issuance costs, value 15 23,992       24,007
Issuance of common stock and warrants to certain investors, net of issuance costs, shares 15,284,118          
Issuance of common stock pursuant to stock plans, value   149       149
Issuance of common stock pursuant to stock plans, shares 142,115          
Stock-based compensation   1,039       1,039
Components of other comprehensive income (loss):            
Change in unrealized gain (loss) on marketable securities       (2)   (2)
Comprehensive loss           (26,655)
Balances, value at Dec. 31, 2011 $ 49 $ 256,563   $ (1) $ (252,128) $ 4,483
Balances, shares at Dec. 31, 2011 49,128,475         49,128,475