Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Stockholders' Equity (Unaudited)

v3.21.2
Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Balances at Dec. 31, 2019 $ 33,150 $ 1 $ 150,280 $ 26 $ (117,157)
Balance (in shares) at Dec. 31, 2019   551      
Common stock issued (in shares)   5      
Stock-based compensation 1,047   1,047    
Other comprehensive loss (22)     (22)  
Net loss (7,701)       (7,701)
Balances at Mar. 31, 2020 26,474 $ 1 151,327 4 (124,858)
Balance (in shares) at Mar. 31, 2020   556      
Balances at Dec. 31, 2019 33,150 $ 1 150,280 26 (117,157)
Balance (in shares) at Dec. 31, 2019   551      
Net loss (25,601)        
Balances at Sep. 30, 2020 30,538 $ 7 173,289   (142,758)
Balance (in shares) at Sep. 30, 2020   2,898      
Balances at Mar. 31, 2020 26,474 $ 1 151,327 4 (124,858)
Balance (in shares) at Mar. 31, 2020   556      
Common stock issued, net 5,284 $ 2 5,282    
Common stock issued (in shares)   889      
Warrants issued, net 3,464   3,464    
Exercise of warrants 827 $ 1 826    
Exercise of warrants (in shares)   73      
Common stock issued pursuant to the vesting of restricted stock units and employee stock purchase plan 27   27    
Common stock issued pursuant to the vesting of restricted stock units and employee stock purchase plan (in shares)   9      
Stock-based compensation 1,033   1,033    
Other comprehensive loss (4)     $ (4)  
Net loss (10,121)       (10,121)
Balances at Jun. 30, 2020 26,984 $ 4 161,959   (134,979)
Balance (in shares) at Jun. 30, 2020   1,527      
Common stock issued, net 6,341 $ 3 6,338    
Common stock issued (in shares)   1,371      
Warrants issued, net 4,028   4,028    
Stock-based compensation 964   964    
Net loss (7,779)       (7,779)
Balances at Sep. 30, 2020 30,538 $ 7 173,289   (142,758)
Balance (in shares) at Sep. 30, 2020   2,898      
Balances at Dec. 31, 2020 21,147 $ 7 174,342   (153,202)
Balance (in shares) at Dec. 31, 2020   3,189      
Common stock issued, net 65   65    
Common stock issued (in shares)   35      
Stock-based compensation 1,169   1,169    
Stock-based compensation (In shares)   35      
Net loss (7,236)       (7,236)
Balances at Mar. 31, 2021 15,145 $ 7 175,576   (160,438)
Balance (in shares) at Mar. 31, 2021   3,259      
Balances at Dec. 31, 2020 21,147 $ 7 174,342   (153,202)
Balance (in shares) at Dec. 31, 2020   3,189      
Net loss (16,783)        
Balances at Sep. 30, 2021 21,549 $ 7 191,527   (169,985)
Balance (in shares) at Sep. 30, 2021   7,042      
Balances at Mar. 31, 2021 15,145 $ 7 175,576   (160,438)
Balance (in shares) at Mar. 31, 2021   3,259      
Common stock issued, net 10,645   10,645    
Common stock issued (in shares)   2,582      
Common stock issued pursuant to the vesting of restricted stock units and employee stock purchase plan 26   26    
Common stock issued pursuant to the vesting of restricted stock units and employee stock purchase plan (in shares)   6      
Stock-based compensation 696   696    
Stock-based compensation (In shares)   56      
Net loss (5,249)       (5,249)
Balances at Jun. 30, 2021 21,263 $ 7 186,943   (165,687)
Balance (in shares) at Jun. 30, 2021   5,903      
Common stock issued, net 4,350   4,350    
Common stock issued (in shares)   1,139      
Warrants issued, net 132   132    
Stock-based compensation 102   102    
Net loss (4,298)       (4,298)
Balances at Sep. 30, 2021 $ 21,549 $ 7 $ 191,527   $ (169,985)
Balance (in shares) at Sep. 30, 2021   7,042