Annual report pursuant to Section 13 and 15(d)

Statements of Changes in Stockholders' Equity

v3.19.1
Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance at Dec. 31, 2016 $ 34,819 $ 24 $ 214,918 $ (180,123)
Beginning balance (in shares) at Dec. 31, 2016   24,609,411    
Cumulative stock-based compensation forfeiture adjustment     67 (67)
Net loss (25,060)     (25,060)
Stock-based compensation expense 1,662   1,662  
Common stock issued through employee stock purchase plan 35   35  
Common stock issued through employee stock purchase plan (in shares)   18,132    
Common stock issued, net of expenses 9,954 $ 5 9,949  
Common stock issued, net of expenses (in shares)   4,344,108    
Ending balance at Dec. 31, 2017 $ 21,410 $ 29 226,631 (205,250)
Ending balance (in shares) at Dec. 31, 2017 28,971,651 28,971,651    
Net loss $ (12,468)     (12,468)
Stock-based compensation expense 1,816   1,816  
Common stock issued through employee stock purchase plan 39   39  
Common stock issued through employee stock purchase plan (in shares)   31,361    
Common stock issued, net of expenses 20,437 $ 19 20,418  
Common stock issued, net of expenses (in shares)   18,959,675    
Common stock issued for vested restricted stock units (9)   (9)  
Common stock issued for vested restricted stock units (in shares)   9,302    
Ending balance at Dec. 31, 2018 $ 31,225 $ 48 $ 248,895 $ (217,718)
Ending balance (in shares) at Dec. 31, 2018 47,971,989 47,971,989