Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Redeemable Convertible Preferred Stock and Stockholders' Equity

v3.20.1
Consolidated Statements of Changes in Redeemable Convertible Preferred Stock and Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Other Comprehensive Loss
Beginning balance at Dec. 31, 2017 $ 0        
Beginning balance (in shares) at Dec. 31, 2017 0        
Increase (Decrease) in Temporary Equity [Roll Forward]          
Issuance of Series A convertible preferred stock, net of issuance costs & fair value of warrants $ 5,377        
Issuance of Series A convertible preferred stock, net of issuance costs & fair value of warrants (in shares) 6        
Ending balance at Dec. 31, 2018 $ 5,377        
Ending balance (in shares) at Dec. 31, 2018 6        
Beginning balance at Dec. 31, 2017 $ 7,904 $ 3 $ 110,265 $ (102,017) $ (347)
Beginning balance (in shares) at Dec. 31, 2017   24,559      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options, net of vesting of restricted shares 152   152    
Exercise of stock options, net of vesting of restricted shares (in shares)   276      
Issuance of common stock, net of issuance costs 9,565   9,565    
Issuance of common stock, net of issuance costs (in shares)   1,085      
Recapitalization related to Reverse Merger (2,370)   (2,370)    
Recapitalization related to Business Combination (in shares)   1,333      
Stock-based compensation expense 450   450    
Cumulative translation adjustment (71)       (71)
Issuance of common stock for payment of bonus and legal fees 0        
Net loss (9,803)     (9,803)  
Ending balance at Dec. 31, 2018 5,827 $ 3 118,062 (111,820) (418)
Ending balance (in shares) at Dec. 31, 2018   27,253      
Increase (Decrease) in Temporary Equity [Roll Forward]          
Series A convertible preferred stock redeemed for cash $ (5,377)        
Series A convertible preferred stock redeemed for cash (in shares) (6)        
Ending balance at Dec. 31, 2019 $ 0        
Ending balance (in shares) at Dec. 31, 2019 0        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options, net of vesting of restricted shares $ 287   287    
Exercise of stock options, net of vesting of restricted shares (in shares)   506      
Exercise of common stock warrants for cash 6,184   6,184    
Exercise of common stock warrants for cash (in shares)   617      
Exercise of common stock warrants pursuant to cashless provisions 0 $ 1 (1)    
Exercise of common stock warrants pursuant to cashless provisions (in shares)   10,913      
Series A convertible preferred stock redeemed for cash (863)   (863)    
Waiver of sponsor promissory note originally issued in conjunction with Reverse Merger and Recapitalization 1,993   1,993    
Stock-based compensation expense 1,784   1,784    
Cumulative translation adjustment 36       36
Vesting of restricted stock units (in shares)   45      
Issuance of common stock for payment of bonus and legal fees 562   562    
Issuance of common stock for payment of bonus and legal fees (in shares)   477      
Net loss (12,871)     (12,871)  
Ending balance at Dec. 31, 2019 $ 4,026 $ 4 $ 128,008 $ (123,604) $ (382)
Ending balance (in shares) at Dec. 31, 2019   39,811