Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Summary of Significant Accounting Policies (Tables)

v3.21.1
Note 2 - Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Revenue from External Customers by Geographic Areas [Table Text Block]
   
Three Months Ended
 
   
March 31,
 
   
2021
   
2020
 
                 
North America
  $
925
    $
688
 
Asia Pacific
   
519
     
597
 
Europe and Middle East
   
6
     
5
 
Latin America
   
-
     
14
 
Total
  $
1,450
    $
1,304
 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   
Three Months Ended
 
   
March
31,
 
   
2021
   
2020
 
                 
Convertible preferred stock:
               
Series A convertible preferred stock
 (a)
 
-
     
-
 
Series B convertible preferred stock
 (b)
 
2,414,183
     
2,135,098
 
Series C convertible preferred stock
 (c)
 
-
     
-
 
Warrants to purchase common stock
 
 
9,793,605
     
2,366,591
 
Stock options to purchase common stock
 
 
981,551
     
1,043,319
 
Deferred restricted common stock units
 
 
687,000
     
-
 
Deferred restricted common stock awards
 
 
232
     
277