v3.19.3
Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)
Total
Initial Public Offering
Initial Public Offering
Convertible Notes
Common Stock
Common Stock
Initial Public Offering
Common Stock
Initial Public Offering
Convertible Notes
Additional Paid-in Capital
Additional Paid-in Capital
Initial Public Offering
Additional Paid-in Capital
Initial Public Offering
Convertible Notes
Accumulated Deficit
Series A Convertible Preferred Stock
Series A Convertible Preferred Stock
Initial Public Offering
Series B Convertible Preferred Stock
Series B Convertible Preferred Stock
Initial Public Offering
Series B-1 Convertible Preferred Stock
Series B-1 Convertible Preferred Stock
Initial Public Offering
Series C Convertible Preferred Stock
Series C Convertible Preferred Stock
Initial Public Offering
Series D Convertible Preferred Stock
Series D Convertible Preferred Stock
Initial Public Offering
Series D-1 Convertible Preferred Stock
Series D-1 Convertible Preferred Stock
Initial Public Offering
Convertible Preferred Stock, Beginning Balance (shares) at Dec. 31, 2017                     345,587   8,058,170   3,437,950   23,357,047   20,652,486   66,141,257  
Convertible Preferred Stock, Beginning Balance at Dec. 31, 2017                     $ 61,847   $ 842,845   $ 359,593   $ 5,547,841   $ 4,838,379   $ 31,359,632  
Convertible Preferred Stock, Ending Balance (shares) at Mar. 31, 2018                     345,587   8,058,170   3,437,950   23,357,047   20,652,486   66,141,257  
Convertible Preferred Stock, Ending Balance at Mar. 31, 2018                     $ 61,847   $ 842,845   $ 359,593   $ 5,547,841   $ 4,838,379   $ 31,359,632  
Beginning Balance (shares) at Dec. 31, 2017       77,257                                    
Beginning Balance at Dec. 31, 2017 $ (50,227,211)     $ 8     $ 4,038,817     $ (54,266,036)                        
Equity                                            
Stock option exercises (shares)       237                                    
Stock option exercises 305           305                              
Stock-based compensation expense 54,444           54,444                              
Net loss (3,847,362)                 (3,847,362)                        
Ending Balance (shares) at Mar. 31, 2018       77,494                                    
Ending Balance at Mar. 31, 2018 (54,019,824)     $ 8     4,093,566     (58,113,398)                        
Convertible Preferred Stock, Beginning Balance (shares) at Dec. 31, 2017                     345,587   8,058,170   3,437,950   23,357,047   20,652,486   66,141,257  
Convertible Preferred Stock, Beginning Balance at Dec. 31, 2017                     $ 61,847   $ 842,845   $ 359,593   $ 5,547,841   $ 4,838,379   $ 31,359,632  
Beginning Balance (shares) at Dec. 31, 2017       77,257                                    
Beginning Balance at Dec. 31, 2017 (50,227,211)     $ 8     4,038,817     (54,266,036)                        
Equity                                            
Stock option exercises (shares)       1,856                                    
Net loss (12,084,936)                                          
Ending Balance (shares) at Sep. 30, 2018       10,032,687                                    
Ending Balance at Sep. 30, 2018 15,235,023     $ 1,002     81,584,992     (66,350,971)                        
Convertible Preferred Stock, Beginning Balance (shares) at Mar. 31, 2018                     345,587   8,058,170   3,437,950   23,357,047   20,652,486   66,141,257  
Convertible Preferred Stock, Beginning Balance at Mar. 31, 2018                     $ 61,847   $ 842,845   $ 359,593   $ 5,547,841   $ 4,838,379   $ 31,359,632  
Convertible Preferred Stock, Ending Balance (shares) at Jun. 30, 2018                     345,587   8,058,170   3,437,950   23,357,047   20,652,486   66,141,257  
Convertible Preferred Stock, Ending Balance at Jun. 30, 2018                     $ 61,847   $ 842,845   $ 359,593   $ 5,547,841   $ 4,838,379   $ 31,359,632  
Beginning Balance (shares) at Mar. 31, 2018       77,494                                    
Beginning Balance at Mar. 31, 2018 (54,019,824)     $ 8     4,093,566     (58,113,398)                        
Equity                                            
Stock option exercises (shares)       551                                    
Stock option exercises 707           707                              
Stock-based compensation expense 52,982           52,982                              
Net loss (3,311,476)                 (3,311,476)                        
Ending Balance (shares) at Jun. 30, 2018       78,045                                    
Ending Balance at Jun. 30, 2018 (57,277,611)     $ 8     4,147,255     (61,424,874)                        
Convertible Preferred Stock                                            
Conversion of preferred stock upon IPO (shares)                       (345,587)   (8,058,170)   (3,437,950)   (23,357,047)   (20,652,486)   (66,141,257)
Conversion of preferred stock upon IPO                       $ (61,847)   $ (842,845)   $ (359,593)   $ (5,547,841)   $ (4,838,379)   $ (31,359,632)
Equity                                            
Stock option exercises (shares)       1,068                                    
Stock option exercises 2,487           2,487                              
Issue common stock (shares)       3,864,000                                    
Issue common stock 19,389,978     $ 386     19,389,592                              
Conversion upon IPO ( shares)         2,850,280 3,239,294                                
Conversion upon IPO   $ 43,010,137 $ 14,898,327   $ 285 $ 323   $ 43,009,852 $ 14,898,004                          
Conversion of preferred stock warrants into common stock warrants 84,676           84,676                              
Stock-based compensation expense 53,126           53,126                              
Net loss (4,926,097)                 (4,926,097)                        
Ending Balance (shares) at Sep. 30, 2018       10,032,687                                    
Ending Balance at Sep. 30, 2018 15,235,023     $ 1,002     81,584,992     (66,350,971)                        
Beginning Balance (shares) at Dec. 31, 2018       10,055,072                                    
Beginning Balance at Dec. 31, 2018 10,137,351     $ 1,004     82,898,775     (72,762,428)                        
Equity                                            
Stock option exercises (shares)       41,521                                    
Stock option exercises 53,976     $ 4     53,972                              
Issue common stock (shares)       748,427                                    
Issue common stock 2,409,593     $ 75     2,409,518                              
Stock-based compensation expense 289,395           289,395                              
Net loss (7,851,743)                 (7,851,743)                        
Issue warrants for debt 629,830           629,830                              
Issue stock for debt 201,789           201,789                              
Ending Balance (shares) at Mar. 31, 2019       10,845,020                                    
Ending Balance at Mar. 31, 2019 5,870,191     $ 1,083     86,483,279     (80,614,171)                        
Beginning Balance (shares) at Dec. 31, 2018       10,055,072                                    
Beginning Balance at Dec. 31, 2018 10,137,351     $ 1,004     82,898,775     (72,762,428)                        
Equity                                            
Stock option exercises (shares)       50,047                                    
Net loss $ (21,914,475)                                          
ESPP Purchases (shares) 66,155                                          
Ending Balance (shares) at Sep. 30, 2019       10,897,522                                    
Ending Balance at Sep. 30, 2019 $ (7,378,516)     $ 1,088     87,297,299     (94,676,903)                        
Beginning Balance (shares) at Mar. 31, 2019       10,845,020                                    
Beginning Balance at Mar. 31, 2019 5,870,191     $ 1,083     86,483,279     (80,614,171)                        
Equity                                            
Stock option exercises (shares)       8,526                                    
Stock option exercises 11,084     $ 1     11,083                              
Stock-based compensation expense 335,666           335,666                              
Net loss (7,664,566)                 (7,664,566)                        
ESPP Purchases (shares)       43,976                                    
ESPP Purchases 102,815     $ 4     102,811                              
Ending Balance (shares) at Jun. 30, 2019       10,897,522                                    
Ending Balance at Jun. 30, 2019 (1,344,810)     $ 1,088     86,932,839     (88,278,737)                        
Equity                                            
Stock option exercises (shares)       0                                    
Stock-based compensation expense 364,460           364,460                              
Net loss (6,398,166)                 (6,398,166)                        
Ending Balance (shares) at Sep. 30, 2019       10,897,522                                    
Ending Balance at Sep. 30, 2019 $ (7,378,516)     $ 1,088     $ 87,297,299     $ (94,676,903)