Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

v3.7.0.1
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 $ 16 $ 179,396 $ (172,505) $ 6,907
Balance, shares at Dec. 31, 2014 1,756,911      
Issuance of common stock upon cashless exercise of warrants $ 26 11,563 $ 11,589
Issuance of common stock upon cashless exercise of warrants, shares 2,546,856    
Issuance of common stock with offering $ 9 122   $ 131
Issuance of common stock with offering, shares 874,891      
Issuance of common stock upon exercise of warrants, net of issuance costs $ 56 15,816 15,872
Issuance of common stock upon exercise of warrants, net of issuance costs, shares 5,607,839      
Issuance of common stock upon conversion of notes payable $ 1 376   377
Issuance of common stock upon conversion of notes payable, shares 24,860      
Stock-based compensation $ 1 984 (120) 865
Stock-based compensation, shares 74,891      
Reclassification of derivative liabilities to equity 2,403 2,403
Issuance of convrtible preferred stock and warrants with offering, net of issuance costs        
Net loss       (23,912) (23,912)
Balance at Dec. 31, 2015 $ 109 210,660 (196,537) 14,232
Balance, shares at Dec. 31, 2015 10,886,248      
Issuance of common stock upon cashless exercise of warrants $ 5 (5)
Issuance of common stock upon cashless exercise of warrants, shares 536,388    
Issuance of common stock upon exercise of warrants, net of issuance costs $ 4 443 $ 447
Issuance of common stock upon exercise of warrants, net of issuance costs, shares 447,147      
Issuance of common stock upon conversion of notes payable $ 19 2,660   2,679
Issuance of common stock upon conversion of notes payable, shares 1,882,718      
Stock-based compensation     273 273
Issuance of common stock and warrants with offering, net of issuance costs $ 53 4,649 4,702
Issuance of common stock and warrants with offering, net of issuance costs , shares 5,258,000      
Issuance of convrtible preferred stock and warrants with offering, net of issuance costs     6,706   6,706
Issuance of convrtible preferred stock and warrants with offering, net of issuance costs, shares 7,392        
Preferred stock converted to common stock $ 74 (74)
Preferred stock converted to common stock, shares (7,392) 7,392,000      
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 $ 10 784 794
Issuance of common stock in connection with settlement of litigation, shares 962,380      
Net loss       (16,598) (16,598)
Balance at Dec. 31, 2016 $ 274 $ 227,234 $ (213,135) $ 14,373
Balance, shares at Dec. 31, 2016 27,364,881