Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

v3.8.0.1
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2014 $ 1 $ 179,411 $ (172,505) $ 6,907
Balance, shares at Dec. 31, 2014 146,409      
Issuance of common stock upon cashless exercise of warrants $ 2 11,587 $ 11,589
Issuance of common stock upon cashless exercise of warrants, shares 212,237    
Issuance of common stock with offering $ 1 130   $ 131
Issuance of common stock with offering, shares 72,908      
Issuance of common stock upon exercise of warrants, net of issuance costs $ 5 15,867 15,872
Issuance of common stock upon exercise of warrants, net of issuance costs, shares 467,320      
Issuance of common stock upon conversion of notes payable 377   377
Issuance of common stock upon conversion of notes payable, shares 2,072      
Stock-based compensation 985 (120) 865
Stock-based compensation, shares 6,241      
Reclassification of derivative liabilities to equity 2,403 2,403
Issuance of convertible preferred stock and warrants with offering, net of issuance costs (as restated)        
Net loss       (23,912) (23,912)
Balance at Dec. 31, 2015 $ 9 210,760 (196,537) 14,232
Balance, shares at Dec. 31, 2015 907,187      
Balance at Dec. 31, 2015 $ 9 210,760 (196,537) 14,232
Balance, shares at Dec. 31, 2015 907,187      
Issuance of common stock upon cashless exercise of warrants
Issuance of common stock upon cashless exercise of warrants, shares 44,700    
Issuance of common stock upon exercise of warrants, net of issuance costs 720 $ 720
Issuance of common stock upon exercise of warrants, net of issuance costs, shares 37,262      
Issuance of common stock upon conversion of notes payable $ 2 2,677   2,679
Issuance of common stock upon conversion of notes payable, shares 156,893      
Stock-based compensation     273 273
Issuance of common stock and warrants with offering, net of issuance costs (as restated) $ 4 2,536 2,540
Issuance of common stock and warrants with offering, net of issuance costs (as restated), shares 438,167      
Issuance of convertible preferred stock and warrants with offering, net of issuance costs (as restated)     3,622   3,622
Issuance of convertible preferred stock and warrants with offering, net of issuance costs (as restated), shares 7,392        
Preferred stock converted to common stock $ 6 (6)
Preferred stock converted to common stock, shares (7,392) 616,000      
Accretion of convertible preferred stock discount 6,278 6,278
Deemed dividend on convertible preferred stock (6,278)   (6,278)
Beneficial conversion feature associated with issuance of convertible notes 1,138 1,138
Issuance of common stock in connection with settlement of litigation $ 1 793 794
Issuance of common stock in connection with settlement of litigation, shares 80,198      
Net loss       (14,763) (14,763)
Balance at Dec. 31, 2016 $ 22 $ 222,513 $ (211,300) $ 11,235
Balance, shares at Dec. 31, 2016 2,280,407