Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited)

v3.20.1
Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
November 2019 Offering [Member]
Preferred Stock [Member]
Series A Preferred Stock [Member]
November 2019 Offering [Member]
Preferred Stock [Member]
Series B Preferred Stock [Member]
November 2019 Offering [Member]
Common Stock [Member]
November 2019 Offering [Member]
Additional Paid-in Capital [Member]
November 2019 Offering [Member]
Retained Earnings [Member]
November 2019 Offering [Member]
Series A Warrants [Member]
Preferred Stock [Member]
Series A Preferred Stock [Member]
Series A Warrants [Member]
Preferred Stock [Member]
Series B Preferred Stock [Member]
Series A Warrants [Member]
Common Stock [Member]
Series A Warrants [Member]
Additional Paid-in Capital [Member]
Series A Warrants [Member]
Retained Earnings [Member]
Series A Warrants [Member]
Series B Warrants [Member]
Preferred Stock [Member]
Series A Preferred Stock [Member]
Series B Warrants [Member]
Preferred Stock [Member]
Series B Preferred Stock [Member]
Series B Warrants [Member]
Common Stock [Member]
Series B Warrants [Member]
Additional Paid-in Capital [Member]
Series B Warrants [Member]
Retained Earnings [Member]
Series B Warrants [Member]
Preferred Stock [Member]
Series A Preferred Stock [Member]
Preferred Stock [Member]
Series B Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Series B Preferred Stock [Member]
Total
Balances (in shares) at Dec. 31, 2018                                     463,630        
Balances at Dec. 31, 2018                                     $ 160,297 $ (155,385)   $ 4,912
Stock-based compensation expense                                         470   470
Issuance of common shares from employee stock purchase plan (in shares)                                         429        
Issuance of common shares from employee stock purchase plan                                         35   35
Issuance of restricted shares (in shares)                                     6        
Issuance of restricted shares                                     1   1
Net loss                                       (10,029)   (10,029)
Issuance of restricted common shares in connection with consulting agreement (in shares)                                     274        
Issuance of restricted common shares in connection with consulting agreement                                     25   25
Balances (in shares) at Mar. 31, 2019                                     464,339        
Balances at Mar. 31, 2019                                     160,828 (165,414)   (4,586)
Balances (in shares) at Dec. 31, 2018                                     463,630        
Balances at Dec. 31, 2018                                     160,297 (155,385)   4,912
Series B convertible preferred stock dividends (in shares)                                               378  
Balances (in shares) at Dec. 31, 2019                                     1,852,173 31,678 7,075,684        
Balances at Dec. 31, 2019                                     $ 1 214,431 (197,911)   16,521 [1]
Issuance costs in connection with November 2019 Offering $ (30) $ (30)                                      
Conversion of Series A convertible preferred stock into common stock (in shares)                                     (1,852,173)            
Conversion of Series A convertible preferred stock into common stock                                      
Conversion of Series A convertible preferred stock into common stock (in shares)                                       1,852,173        
Issuance of common shares in connection with warrant exercises (in shares)             1,026,240       45,473                    
Issuance of common shares in connection with warrant exercises             $ 1,591 $ 1,591 $ 70 $ 70              
Series B convertible preferred stock dividends (in shares)                                     989     989  
Series B convertible preferred stock dividends                                     (1)   (1)
Stock-based compensation expense                                         686   686
Issuance of common shares from employee stock purchase plan (in shares)                                         320        
Issuance of common shares from employee stock purchase plan                                          
Issuance of restricted shares (in shares)                                     28,313        
Issuance of restricted shares                                     24   24
Net loss                                       (6,310)   (6,310)
Balances (in shares) at Mar. 31, 2020                                     32,667 10,028,203        
Balances at Mar. 31, 2020                                     $ 1 $ 216,771 $ (204,221)   $ 12,551
[1] The condensed consolidated balance sheet as of December 31, 2019 has been derived from the audited consolidated financial statements as of that date.