Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Summary of Significant Accounting Policies (Tables)

v3.20.2
Note 2 - Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   

September 30,

 

Excluded potentially dilutive securities (1):

 

2020

   

2019

 
                 
Options to purchase common stock     1,390,340       3,623,138  
Unvested restricted stock units     3,947,819       403,154  
Financing warrants to purchase common stock     103,500       4,839,197  

Total potential dilutive securities

    5,441,659       8,865,489  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   

Revenue

   

Revenue

   

Trade Accounts Receivable

 
   

Three Months Ended September 30,

   

Nine Months Ended September 30,

   

September 30, 2020

   

December 31, 2019

 
   

2020

   

2019

   

2020

   

2019

                 
                                                 

Clarios (successor of Johnson Controls Battery Group, Inc.)

    %     80 %     16 %     71 %     %     100 %

P. Kay Metals

    100 %     17 %     84 %     26 %     %     %