Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholder's Equity (Unaudited)

v3.20.2
Consolidated Statements of Stockholder's Equity (Unaudited) - USD ($)
Total
LPC [Member]
December 2019 Financing [Member]
April 2020 Financing [Member]
October 2018 Financing [Member]
Cumulative Adjustment on Adoption of Lease Standard [Member]
Common stock [Member]
Common stock [Member]
Series B Convertible Preferred Stock [Member]
Common stock [Member]
LPC [Member]
Common stock [Member]
April 2020 Financing [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]
LPC [Member]
Additional paid-in capital [Member]
December 2019 Financing [Member]
Additional paid-in capital [Member]
April 2020 Financing [Member]
Additional paid-in capital [Member]
October 2018 Financing [Member]
Accumulated other comprehensive income (loss) [Member]
Accumulated deficit [Member]
Accumulated deficit [Member]
Cumulative Adjustment on Adoption of Lease Standard [Member]
Beginning Balance at Dec. 31, 2018 $ 15,802,000         $ (3,000) $ 18,000           $ 41,161,000           $ 4,000 $ (25,381,000) $ (3,000)
Beginning Balance, Shares at Dec. 31, 2018             336,055       579                    
Restricted stock unit settlements, Shares             4                            
Stock-based compensation expense 290,000                       290,000                
Adjustments to final October 2018 financing costs         $ 4,000                         $ 4,000      
Accounting Standards Update [Extensible List]           us-gaap:AccountingStandardsUpdate201602Member                              
Net loss (5,904,000)                                     (5,904,000)  
Ending Balance at Mar. 31, 2019 10,189,000           $ 18,000           41,455,000           4,000 (31,288,000)  
Ending Balance, Shares at Mar. 31, 2019             336,059       579                    
Beginning Balance at Dec. 31, 2018 $ 15,802,000         $ (3,000) $ 18,000           41,161,000           4,000 (25,381,000) $ (3,000)
Beginning Balance, Shares at Dec. 31, 2018             336,055       579                    
Restricted stock unit settlements, Shares 6                                        
Net loss $ (9,528,000)                                        
Ending Balance at Jun. 30, 2019 11,504,000           $ 19,000           50,318,000           4,000 (38,837,000)  
Ending Balance, Shares at Jun. 30, 2019             404,886                            
Beginning Balance at Mar. 31, 2019 $ 10,189,000           $ 18,000           41,455,000           4,000 (31,288,000)  
Beginning Balance, Shares at Mar. 31, 2019             336,059       579                    
Restricted stock unit settlements, Shares 6                                        
Stock-based compensation expense $ 317,000                       317,000                
Shares issued   $ 423,000                         $ 423,000            
Shares issued, Shares                 6,200                        
Shares issued on conversion of preferred shares                     $ (579)                    
Shares issued on conversion of preferred shares, Shares             7,237                            
Shares issued on exercise of warrants 4,199,000           $ 1,000           4,198,000                
Shares issued on exercise of warrants, Shares             55,390                            
Issuance of inducement warrants                         3,925,000             (3,925,000)  
Net loss (3,624,000)                                     (3,624,000)  
Ending Balance at Jun. 30, 2019 11,504,000           $ 19,000           50,318,000           4,000 (38,837,000)  
Ending Balance, Shares at Jun. 30, 2019             404,886                            
Beginning Balance at Dec. 31, 2019 18,050,000           $ 41,000           63,709,000           4,000 (45,704,000)  
Beginning Balance, Shares at Dec. 31, 2019             1,474,258       1,121                    
Stock-based compensation expense 302,000                       302,000                
Costs relating to financing and purchase agreement   (13,000) $ (34,000)                       (13,000) $ (34,000)          
Shares issued on conversion of preferred shares               $ 2,000           $ (2,000)              
Shares issued on conversion of preferred shares, Shares               93,379       (1,121)                  
Net loss (3,320,000)                                     (3,320,000)  
Ending Balance at Mar. 31, 2020 14,985,000           $ 43,000           63,962,000           4,000 (49,024,000)  
Ending Balance, Shares at Mar. 31, 2020             1,567,637                            
Beginning Balance at Dec. 31, 2019 $ 18,050,000           $ 41,000           63,709,000           4,000 (45,704,000)  
Beginning Balance, Shares at Dec. 31, 2019             1,474,258       1,121                    
Restricted stock unit settlements, Shares 0                                        
Net loss $ (6,242,000)                                        
Ending Balance at Jun. 30, 2020 14,538,000           $ 51,000           66,429,000           4,000 (51,946,000)  
Ending Balance, Shares at Jun. 30, 2020             1,937,703                            
Beginning Balance at Mar. 31, 2020 $ 14,985,000           $ 43,000           63,962,000           4,000 (49,024,000)  
Beginning Balance, Shares at Mar. 31, 2020             1,567,637                            
Restricted stock unit settlements, Shares 0                                        
Stock-based compensation expense $ 308,000                       308,000                
Shares issued       $ 1,579,000           $ 6,000             $ 1,573,000        
Shares issued, Shares                   280,782                      
Costs relating to financing and purchase agreement   $ (1,000)                         $ (1,000)            
Shares issued on conversion of preferred shares             $ 2,000           (2,000)                
Shares issued on exercise of warrants 589,000                       589,000                
Shares issued on exercise of warrants, Shares             89,281                            
Adjustment of fractional shares on reverse stock split             3                            
Net loss (2,922,000)                                     (2,922,000)  
Ending Balance at Jun. 30, 2020 $ 14,538,000           $ 51,000           $ 66,429,000           $ 4,000 $ (51,946,000)  
Ending Balance, Shares at Jun. 30, 2020             1,937,703