Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Stockholders' Equity

v3.3.1.900
Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit
Noncontrolling Interest [Member]
Balance at Dec. 31, 2012 $ 22,033 $ 24 $ 106,193 $ (84,184) $ 0
Balance (in shares) at Dec. 31, 2012   24,400,754      
Exercise of stock options 970 $ 1 969 0 0
Exercise of stock options (in shares)   550,157      
Exercise of warrants 1 $ 1 0 0 0
Exercise of warrants(in shares)   157,355      
Issuance of Common Stock for At the Market Offering 91,337 $ 10 91,327 0 0
Issuance of Common Stock for At the Market Offering (in shares)   10,558,422      
Costs related to the issuance of Common Stock for At the Market Offering (1,899) $ 0 (1,899) 0 0
Stock-based compensation expense 5,902 0 5,902 0 0
Issuance of restricted stock 0 $ 4 (4) 0 0
Issuance of restricted stock (in shares)   3,958,692      
Issuance of Common Stock under ESPP 92 $ 0 92 0 0
Issuance of Common Stock under ESPP (in shares)   27,570      
Net loss attributable to non-controlling interest 0        
Net loss attributable to common stockholders (37,158) $ 0 0 (37,158) 0
Balance at Dec. 31, 2013 81,278 $ 40 202,580 (121,342) 0
Balance (in shares) at Dec. 31, 2013   39,652,950      
Exercise of stock options 596 $ 0 596 0 0
Exercise of stock options (in shares)   323,412      
Issuance of Common Stock related to subscription 3,502 $ 2 3,500 0 0
Issuance of Common Stock related to subscription (in shares)   2,175,000      
Common Stock issuance costs (32) $ 0 (32) 0 0
Stock-based compensation expense 5,546 0 5,546 0 0
Issuance of restricted stock 0 $ 4 (4) 0 0
Issuance of restricted stock (in shares)   4,328,692      
Issuance of Common Stock under ESPP 19 $ 0 19 0 0
Issuance of Common Stock under ESPP (in shares)   13,980      
Net loss attributable to non-controlling interest 0        
Net loss attributable to common stockholders (20,386) $ 0 0 (20,386) 0
Balance at Dec. 31, 2014 70,523 $ 46 212,205 (141,728) 0
Balance (in shares) at Dec. 31, 2014   46,494,034      
Exercise of stock options $ 216 $ 0 216 0 0
Exercise of stock options (in shares) 100,000 100,000      
Stock-based compensation expense $ 14,291 $ 0 14,291 0 0
Issuance of restricted stock 0 $ 1 (1) 0 0
Issuance of restricted stock (in shares)   525,000      
Subsidiary's offering, net 51,496 $ 0 18,614 0 32,882
Issuance of Common Stock under ESPP 59 $ 0 59 0 0
Issuance of Common Stock under ESPP (in shares)   27,998      
Issuance of subsidiaries' common shares for license expenses 958 $ 0 958    
Issuance of warrants in conjunction with NSC debt 613 0 613 0 0
Net loss attributable to non-controlling interest (5,455) 0 0 0 (5,455)
Net loss attributable to common stockholders (48,428) 0 0 (48,428) 0
Balance at Dec. 31, 2015 $ 84,273 $ 47 $ 246,955 $ (190,156) $ 27,427
Balance (in shares) at Dec. 31, 2015   47,147,032