Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Deficit)

v3.20.1
Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Retained Earnings
Officers and Directors Plan
Officers and Directors Plan
Common Stock
Officers and Directors Plan
Additional Paid-in Capital
Over-Allotment Option
Over-Allotment Option
Common Stock
Over-Allotment Option
Additional Paid-in Capital
2018 Public Offering
2018 Public Offering
Common Stock
2018 Public Offering
Additional Paid-in Capital
January 2019 Public Offering
January 2019 Public Offering
Common Stock
January 2019 Public Offering
Additional Paid-in Capital
May 2019 Public Offering
May 2019 Public Offering
Common Stock
May 2019 Public Offering
Additional Paid-in Capital
Restricted Stock Units (RSUs)
Common Stock
Balance at beginning (in shares) at Dec. 31, 2017   27,554,076                                    
Balance at beginning at Dec. 31, 2017 $ 58,965 $ 27 $ 113,780 $ (54,842)                                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                        
Stock-based compensation 1,201   1,201                                  
Common stock issued (in shares)           2,034     1,072,500     10,085,500               65,600
Proceeds from common stock issued         $ 4   $ 4 $ 2,103 $ 2 $ 2,101 $ 26,646 $ 10 $ 26,636              
Common stock issued for consulting services (in shares)   152,727                                    
Common stock issued for consulting services 423   423                                  
Modification of Interstate Batteries warrant #1 1,002   1,002                                  
Net loss (40,254)     (40,254)                                
Balance at end (in shares) at Dec. 31, 2018   38,932,437                                    
Balance at end at Dec. 31, 2018 50,090 $ 39 145,147 (95,096)                                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                        
Stock-based compensation 4,206   4,206                                  
Warrants issued related to Veolia agreement 5,780   5,780                                  
Common stock issued (in shares)                             5,175,000     11,000,000   854,064
Proceeds from common stock issued 1 $ 1                       $ 9,063 $ 5 $ 9,058 $ 20,317 $ 11 $ 20,306  
Common stock issued for consulting services (in shares)   2,036,279                                    
Common stock issued for consulting services 4,927 $ 2 4,925                                  
Net loss (44,795)     (44,795)                                
Balance at end (in shares) at Dec. 31, 2019   57,997,780                                    
Balance at end at Dec. 31, 2019 $ 49,589 $ 58 $ 189,422 $ (139,891)