Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity

v3.21.1
Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income [Member]
Beginning balance at Dec. 31, 2019 $ 47,411 $ 26 $ 279,828 $ (232,489) $ 46
Beginning balance, shares at Dec. 31, 2019   25,670,737      
Common stock offerings, net 2,984 $ 1 2,983    
Common stock offerings, net, shares   1,292,208      
Common stock issued under employee stock plans, net 101   101    
Common stock issued under employee stock plans, net, shares   111,427      
Stock-based compensation expense 4,456   4,456    
Net loss (12,684)     (12,684)  
Other comprehensive gain 4       4
Ending balance at Mar. 31, 2020 42,272 $ 27 287,368 (245,173) 50
Ending balance, shares at Mar. 31, 2020   27,074,372      
Beginning balance at Dec. 31, 2019 47,411 $ 26 279,828 (232,489) 46
Beginning balance, shares at Dec. 31, 2019   25,670,737      
Net loss (47,876)        
Ending balance at Dec. 31, 2020 88,210 $ 32 368,477 (280,365) 66
Ending balance, shares at Dec. 31, 2020   31,799,354      
Common stock issued under employee stock plans, net 4,254 $ 1 4,253    
Common stock issued under employee stock plans, net, shares   608,886      
Common stock issued for services 119   119    
Common stock issued for services, shares   15,828      
Stock-based compensation expense 21,491   21,491    
Exercise of warrants 2,279 $ 2,279 2,279    
Exercise of warrants, shares   252,218      
Net loss (30,567)     (30,567)  
Other comprehensive gain 7       7
Ending balance at Mar. 31, 2021 $ 85,793 $ 33 $ 396,619 $ (310,932) $ 73
Ending balance, shares at Mar. 31, 2021   32,676,286