Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholder's Equity (Unaudited)

v3.21.2
Consolidated Statements of Stockholder's Equity (Unaudited) - USD ($)
$ in Thousands
Total
December 2019 Financing [Member]
May 2021 Public Offering [Member]
April 2020 Private Placement [Member]
July 2020 Registered Direct Offering [Member]
August 2020 Public Offering [Member]
LPC [Member]
Common stock [Member]
Common stock [Member]
Series B Convertible Preferred Stock [Member]
Common stock [Member]
Convertible Preferred Stock [Member]
Common stock [Member]
May 2021 Public Offering [Member]
Common stock [Member]
April 2020 Private Placement [Member]
Common stock [Member]
July 2020 Registered Direct Offering [Member]
Common stock [Member]
August 2020 Public Offering [Member]
Preferred stock [Member]
Preferred stock [Member]
Series B Convertible Preferred Stock [Member]
Additional paid-in capital [Member]
Additional paid-in capital [Member]
Series B Convertible Preferred Stock [Member]
Additional paid-in capital [Member]
Convertible Preferred Stock [Member]
Additional paid-in capital [Member]
December 2019 Financing [Member]
Additional paid-in capital [Member]
May 2021 Public Offering [Member]
Additional paid-in capital [Member]
April 2020 Private Placement [Member]
Additional paid-in capital [Member]
July 2020 Registered Direct Offering [Member]
Additional paid-in capital [Member]
August 2020 Public Offering [Member]
Additional paid-in capital [Member]
LPC [Member]
Accumulated other comprehensive income (loss) [Member]
Accumulated deficit [Member]
Beginning Balance at Dec. 31, 2019 $ 18,050             $ 41                 $ 63,709                 $ 4 $ (45,704)
Beginning Balance, Shares at Dec. 31, 2019               1,474,258             1,121                        
Stock-based compensation expense 302                               302                    
Costs relating to financing and purchase agreement   $ (34)         $ (13)                         $ (34)         $ (13)    
Shares issued on conversion of preferred shares                 $ 2                 $ (2)                  
Shares issued on conversion of preferred shares, Shares                 93,379             (1,121)                      
Net loss (3,320)                                                   (3,320)
Ending Balance at Mar. 31, 2020 14,985             $ 43                 63,962                 4 (49,024)
Ending Balance, Shares at Mar. 31, 2020               1,567,637                                      
Beginning Balance at Dec. 31, 2019 $ 18,050             $ 41                 63,709                 4 (45,704)
Beginning Balance, Shares at Dec. 31, 2019               1,474,258             1,121                        
Restricted stock unit settlements, Shares 236                                                    
Net loss $ (10,006)                                                    
Ending Balance at Sep. 30, 2020 25,675             $ 74                 81,307                 4 (55,710)
Ending Balance, Shares at Sep. 30, 2020               3,616,414                                      
Beginning Balance at Mar. 31, 2020 14,985             $ 43                 63,962                 4 (49,024)
Beginning Balance, Shares at Mar. 31, 2020               1,567,637                                      
Stock-based compensation expense 308                               308                    
Costs relating to financing and purchase agreement             $ (1)                                   $ (1)    
Shares issued on conversion of preferred shares                   $ 2                 $ (2)                
Shares issued on exercise of warrants 589                               589                    
Shares issued on exercise of warrants, Shares               89,281                                      
Shares issued       $ 1,579               $ 6                   $ 1,573          
Shares issued, Shares                       280,782                              
Adjustment of fractional shares on reverse stock split, Shares               3                                      
Net loss (2,922)                                                   (2,922)
Ending Balance at Jun. 30, 2020 14,538             $ 51                 66,429                 4 (51,946)
Ending Balance, Shares at Jun. 30, 2020               1,937,703                                      
Stock-based compensation expense 281                               281                    
Shares issued on exercise of warrants $ 2,491             $ 7                 2,484                    
Shares issued on exercise of warrants, Shares               377,845                                      
Shares issued         $ 5,307 $ 6,822             $ 15 $ 1                 $ 5,292 $ 6,821      
Shares issued, Shares                         731,707 569,043                          
Adjustment of fractional shares on reverse stock split, Shares               (12)                                      
Restricted stock unit settlements, Shares 236             128                                      
Net loss $ (3,764)                                                   (3,764)
Ending Balance at Sep. 30, 2020 25,675             $ 74                 81,307                 4 (55,710)
Ending Balance, Shares at Sep. 30, 2020               3,616,414                                      
Beginning Balance at Dec. 31, 2020 37,286             $ 76                 97,640                 4 (60,434)
Beginning Balance, Shares at Dec. 31, 2020               6,111,735                                      
Stock-based compensation expense 542                               542                    
Shares issued on exercise of warrants 236                               236                    
Shares issued on exercise of warrants, Shares               35,217                                      
Shares issued 23                               23                    
Shares issued, Shares               2,965                                      
Net loss (7,999)                                                   (7,999)
Ending Balance at Mar. 31, 2021 30,088             $ 76                 98,441                 4 (68,433)
Ending Balance, Shares at Mar. 31, 2021               6,149,917                                      
Beginning Balance at Dec. 31, 2020 $ 37,286             $ 76                 97,640                 4 (60,434)
Beginning Balance, Shares at Dec. 31, 2020               6,111,735                                      
Restricted stock unit settlements, Shares 231                                                    
Net loss $ (26,001)                                                    
Ending Balance at Sep. 30, 2021 34,700             $ 79                 121,052                 4 (86,435)
Ending Balance, Shares at Sep. 30, 2021               9,453,542                                      
Beginning Balance at Mar. 31, 2021 30,088             $ 76                 98,441                 4 (68,433)
Beginning Balance, Shares at Mar. 31, 2021               6,149,917                                      
Stock-based compensation expense 621                               621                    
Shares issued on exercise of warrants 95                               95                    
Shares issued on exercise of warrants, Shares               14,443                                      
Shares issued 18   $ 21,343               $ 3           18       $ 21,340            
Shares issued, Shares               2,149     3,285,714                                
Net loss (11,311)                                                   (11,311)
Ending Balance at Jun. 30, 2021 40,854             $ 79                 120,515                 4 (79,744)
Ending Balance, Shares at Jun. 30, 2021               9,452,223                                      
Stock-based compensation expense 530                               530                    
Shares issued on exercise of warrants 8                               8                    
Shares issued on exercise of warrants, Shares               1,174                                      
Restricted stock unit settlements $ (1)                               (1)                    
Restricted stock unit settlements, Shares 231             145                                      
Net loss $ (6,691)                                                   (6,691)
Ending Balance at Sep. 30, 2021 $ 34,700             $ 79                 $ 121,052                 $ 4 $ (86,435)
Ending Balance, Shares at Sep. 30, 2021               9,453,542