XML 36 R6.htm IDEA: XBRL DOCUMENT v3.6.0.2
Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Treasury Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income
Accumulated Deficit
Beginning balance at Dec. 31, 2013 $ 2,924 $ 1 $ 0 $ 85,446 $ 462 $ (82,985)
Beginning balance (in shares) at Dec. 31, 2013   5,142 0      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock, including under registered follow-on offering, net 5,090     5,090    
Issuance of common stock, including under registered follow-on offering, net (in shares)   1,343        
Issuance of common stock under employee stock option and stock purchase plans 58     58    
Issuance of common stock under employee stock option and stock purchase plans (in shares)   18        
Issuance of common stock for conversion of convertible debt 6,145     6,145    
Issuance of common stock for conversion of convertible debt (in shares)   2,672        
Stock-based compensation 532     532    
Warrants exercised 862     862    
Warrants exercised (in shares)   249        
Foreign currency translation adjustment 7       7  
Net (loss) income (5,845)         (5,845)
Ending balance at Dec. 31, 2014 9,773 $ 1 $ 0 98,133 469 (88,830)
Ending balance (in shares) at Dec. 31, 2014   9,424 0      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock, including under registered follow-on offering, net 23,574     23,574    
Issuance of common stock, including under registered follow-on offering, net (in shares)   1,500        
Issuance of common stock under employee stock option and stock purchase plans 346     346    
Issuance of common stock under employee stock option and stock purchase plans (in shares)   77        
Stock-based compensation 813     813    
Stock-based compensation (shares)   10        
Warrants exercised 2,503     2,503    
Warrants exercised (in shares)   638        
Foreign currency translation adjustment (469)       (469)  
Net (loss) income 8,780         8,780
Ending balance at Dec. 31, 2015 45,320 $ 1 $ 0 125,369 0 (80,050)
Ending balance (in shares) at Dec. 31, 2015   11,649 0      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock under employee stock option and stock purchase plans 146     146    
Issuance of common stock under employee stock option and stock purchase plans (in shares)   62        
Repurchases of common stock 309   $ 309      
Repurchases of common stock (in shares)     51      
Retirement of common stock (309)   $ (309)      
Retirement of common stock (in shares)     (51)      
Stock-based compensation 1,360     1,360    
Foreign currency translation adjustment (1)       (1)  
Net (loss) income (16,887)         (16,887)
Ending balance at Dec. 31, 2016 $ 29,938 $ 1 $ 0 $ 126,875 $ (1) $ (96,937)
Ending balance (in shares) at Dec. 31, 2016   11,711 0